74376078664 has 128 divisors (see below), whose sum is σ = 155662848000. Its totient is φ = 33170860800.

The previous prime is 74376078617. The next prime is 74376078671. The reversal of 74376078664 is 46687067347.

It is a junction number, because it is equal to n+sod(n) for n = 74376078599 and 74376078608.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 67065342 + ... + 67066450.

It is an arithmetic number, because the mean of its divisors is an integer number (1216116000).

Almost surely, 2^74376078664 is an apocalyptic number.

It is an amenable number.

74376078664 is an abundant number, since it is smaller than the sum of its proper divisors (81286769336).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

74376078664 is a wasteful number, since it uses less digits than its factorization.

74376078664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1539 (or 1535 counting only the distinct ones).

The product of its (nonzero) digits is 28449792, while the sum is 58.

The spelling of 74376078664 in words is "seventy-four billion, three hundred seventy-six million, seventy-eight thousand, six hundred sixty-four".