7392712949 has 4 divisors (see below), whose sum is σ = 7393108620. Its totient is φ = 7392317280.

The previous prime is 7392712931. The next prime is 7392712963. The reversal of 7392712949 is 9492172937.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5070436849 + 2322276100 = 71207^2 + 48190^2 .

It is a cyclic number.

It is not a de Polignac number, because 7392712949 - 2³² = 3097745653 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 7392712949.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7392712979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 168344 + ... + 207665.

It is an arithmetic number, because the mean of its divisors is an integer number (1848277155).

Almost surely, 2^7392712949 is an apocalyptic number.

It is an amenable number.

7392712949 is a deficient number, since it is larger than the sum of its proper divisors (395671).

7392712949 is a wasteful number, since it uses less digits than its factorization.

7392712949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 395670.

The product of its digits is 1714608, while the sum is 53.

The square root of 7392712949 is about 85980.8871145210. The cubic root of 7392712949 is about 1948.0552998010.

The spelling of 7392712949 in words is "seven billion, three hundred ninety-two million, seven hundred twelve thousand, nine hundred forty-nine".