74925308531 has 2 divisors, whose sum is σ = 74925308532. Its totient is φ = 74925308530.

The previous prime is 74925308527. The next prime is 74925308669. The reversal of 74925308531 is 13580352947.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 74925308531 - 2² = 74925308527 is a prime.

It is a super-4 number, since 4×74925308531⁴ (a number of 45 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (74925308501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37462654265 + 37462654266.

It is an arithmetic number, because the mean of its divisors is an integer number (37462654266).

Almost surely, 2^74925308531 is an apocalyptic number.

74925308531 is a deficient number, since it is larger than the sum of its proper divisors (1).

74925308531 is an equidigital number, since it uses as much as digits as its factorization.

74925308531 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 907200, while the sum is 47.

The spelling of 74925308531 in words is "seventy-four billion, nine hundred twenty-five million, three hundred eight thousand, five hundred thirty-one".