742813253 has 16 divisors (see below), whose sum is σ = 915632256. Its totient is φ = 586820160.

The previous prime is 742813241. The next prime is 742813273. The reversal of 742813253 is 352318247.

It is a cyclic number.

It is not a de Polignac number, because 742813253 - 2⁸ = 742812997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (742813273) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56975 + ... + 68787.

It is an arithmetic number, because the mean of its divisors is an integer number (57227016).

Almost surely, 2^742813253 is an apocalyptic number.

It is an amenable number.

742813253 is a deficient number, since it is larger than the sum of its proper divisors (172819003).

742813253 is a wasteful number, since it uses less digits than its factorization.

742813253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12524.

The product of its digits is 40320, while the sum is 35.

The square root of 742813253 is about 27254.6005841216. The cubic root of 742813253 is about 905.6489359875.

The spelling of 742813253 in words is "seven hundred forty-two million, eight hundred thirteen thousand, two hundred fifty-three".