74439482895 has 128 divisors (see below), whose sum is σ = 138974330880. Its totient is φ = 37766736000.

The previous prime is 74439482879. The next prime is 74439482903. The reversal of 74439482895 is 59828493447.

74439482895 is a `hidden beast` number, since 7 + 44 + 39 + 482 + 89 + 5 = 666.

It is a Cunningham number, because it is equal to 272836²-1.

It is not a de Polignac number, because 74439482895 - 2⁴ = 74439482879 is a prime.

It is a super-2 number, since 2×74439482895² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 68481042 + ... + 68482128.

It is an arithmetic number, because the mean of its divisors is an integer number (1085736960).

Almost surely, 2^74439482895 is an apocalyptic number.

74439482895 is a deficient number, since it is larger than the sum of its proper divisors (64534847985).

74439482895 is a wasteful number, since it uses less digits than its factorization.

74439482895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1442 (or 1436 counting only the distinct ones).

The product of its digits is 69672960, while the sum is 63.

The spelling of 74439482895 in words is "seventy-four billion, four hundred thirty-nine million, four hundred eighty-two thousand, eight hundred ninety-five".