742263331 has 4 divisors (see below), whose sum is σ = 742442112. Its totient is φ = 742084552.

The previous prime is 742263307. The next prime is 742263341. The reversal of 742263331 is 133362247.

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

It is a cyclic number.

It is not a de Polignac number, because 742263331 - 2⁹ = 742262819 is a prime.

It is a super-2 number, since 2×742263331² = 1101909705094431122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 742263293 and 742263302.

It is not an unprimeable number, because it can be changed into a prime (742263341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83011 + ... + 91516.

It is an arithmetic number, because the mean of its divisors is an integer number (185610528).

Almost surely, 2^742263331 is an apocalyptic number.

742263331 is a deficient number, since it is larger than the sum of its proper divisors (178781).

742263331 is a wasteful number, since it uses less digits than its factorization.

742263331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178780.

The product of its digits is 18144, while the sum is 31.

The square root of 742263331 is about 27244.5101075428. The cubic root of 742263331 is about 905.4253897932.

The spelling of 742263331 in words is "seven hundred forty-two million, two hundred sixty-three thousand, three hundred thirty-one".