74597446916 has 6 divisors (see below), whose sum is σ = 130545532110. Its totient is φ = 37298723456.

The previous prime is 74597446909. The next prime is 74597446919. The reversal of 74597446916 is 61964479547.

It can be written as a sum of positive squares in only one way, i.e., 70944453316 + 3652993600 = 266354^2 + 60440^2 .

It is a super-2 number, since 2×74597446916² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (74597446919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9324680861 + ... + 9324680868.

It is an arithmetic number, because the mean of its divisors is an integer number (21757588685).

Almost surely, 2^74597446916 is an apocalyptic number.

It is an amenable number.

74597446916 is a deficient number, since it is larger than the sum of its proper divisors (55948085194).

74597446916 is a wasteful number, since it uses less digits than its factorization.

74597446916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18649361733 (or 18649361731 counting only the distinct ones).

The product of its digits is 45722880, while the sum is 62.

The spelling of 74597446916 in words is "seventy-four billion, five hundred ninety-seven million, four hundred forty-six thousand, nine hundred sixteen".