7360640621 has 8 divisors (see below), whose sum is σ = 7637514360. Its totient is φ = 7087868928.

The previous prime is 7360640593. The next prime is 7360640653. The reversal of 7360640621 is 1260460637.

It can be written as a sum of positive squares in 4 ways, for example, as 612018121 + 6748622500 = 24739^2 + 82150^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7360640621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7360640821) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1021856 + ... + 1029033.

It is an arithmetic number, because the mean of its divisors is an integer number (954689295).

Almost surely, 2^7360640621 is an apocalyptic number.

It is an amenable number.

7360640621 is a deficient number, since it is larger than the sum of its proper divisors (276873739).

7360640621 is a wasteful number, since it uses less digits than its factorization.

7360640621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2051023.

The product of its (nonzero) digits is 36288, while the sum is 35.

The square root of 7360640621 is about 85794.1759153848. The cubic root of 7360640621 is about 1945.2340874694.

The spelling of 7360640621 in words is "seven billion, three hundred sixty million, six hundred forty thousand, six hundred twenty-one".