74494711864 has 8 divisors (see below), whose sum is σ = 139677584760. Its totient is φ = 37247355928.

The previous prime is 74494711861. The next prime is 74494711919. The reversal of 74494711864 is 46811749447.

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (55) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74494711861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4655919484 + ... + 4655919499.

It is an arithmetic number, because the mean of its divisors is an integer number (17459698095).

Almost surely, 2^74494711864 is an apocalyptic number.

It is an amenable number.

74494711864 is a deficient number, since it is larger than the sum of its proper divisors (65182872896).

74494711864 is a wasteful number, since it uses less digits than its factorization.

74494711864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9311838989 (or 9311838985 counting only the distinct ones).

The product of its digits is 5419008, while the sum is 55.

The spelling of 74494711864 in words is "seventy-four billion, four hundred ninety-four million, seven hundred eleven thousand, eight hundred sixty-four".