72666674474 has 16 divisors (see below), whose sum is σ = 111771346176. Its totient is φ = 35411349600.

The previous prime is 72666674461. The next prime is 72666674491. The reversal of 72666674474 is 47447666627.

It is a super-2 number, since 2×72666674474² (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 7 ways as a sum of consecutive naturals, for example, 365852 + ... + 528375.

It is an arithmetic number, because the mean of its divisors is an integer number (6985709136).

Almost surely, 2^72666674474 is an apocalyptic number.

72666674474 is a deficient number, since it is larger than the sum of its proper divisors (39104671702).

72666674474 is a wasteful number, since it uses less digits than its factorization.

72666674474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 895261.

The product of its digits is 56899584, while the sum is 59.

The spelling of 72666674474 in words is "seventy-two billion, six hundred sixty-six million, six hundred seventy-four thousand, four hundred seventy-four".