74681401480 has 32 divisors (see below), whose sum is σ = 192037890240. Its totient is φ = 25605051840.

The previous prime is 74681401427. The next prime is 74681401541. The reversal of 74681401480 is 8410418647.

It is a happy number.

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, 133359366 + ... + 133359925.

It is an arithmetic number, because the mean of its divisors is an integer number (6001184070).

Almost surely, 2^74681401480 is an apocalyptic number.

74681401480 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

74681401480 is an abundant number, since it is smaller than the sum of its proper divisors (117356488760).

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

74681401480 is a wasteful number, since it uses less digits than its factorization.

74681401480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266719309 (or 266719305 counting only the distinct ones).

The product of its (nonzero) digits is 172032, while the sum is 43.

The spelling of 74681401480 in words is "seventy-four billion, six hundred eighty-one million, four hundred one thousand, four hundred eighty".