74931601610 has 8 divisors (see below), whose sum is σ = 134876882916. Its totient is φ = 29972640640.

The previous prime is 74931601603. The next prime is 74931601621. The reversal of 74931601610 is 1610613947.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 72922141681 + 2009459929 = 270041^2 + 44827^2 .

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

It is a super-2 number, since 2×74931601610² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3746580071 + ... + 3746580090.

Almost surely, 2^74931601610 is an apocalyptic number.

74931601610 is a deficient number, since it is larger than the sum of its proper divisors (59945281306).

74931601610 is a wasteful number, since it uses less digits than its factorization.

74931601610 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7493160168.

The product of its (nonzero) digits is 27216, while the sum is 38.

The spelling of 74931601610 in words is "seventy-four billion, nine hundred thirty-one million, six hundred one thousand, six hundred ten".