74642336456 has 16 divisors (see below), whose sum is σ = 147320401200. Its totient is φ = 35356896144.

The previous prime is 74642336449. The next prime is 74642336519. The reversal of 74642336456 is 65463324647.

It is a super-2 number, since 2×74642336456² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 245533850 + ... + 245534153.

It is an arithmetic number, because the mean of its divisors is an integer number (9207525075).

Almost surely, 2^74642336456 is an apocalyptic number.

74642336456 is a gapful number since it is divisible by the number (76) formed by its first and last digit.

It is an amenable number.

74642336456 is a deficient number, since it is larger than the sum of its proper divisors (72678064744).

74642336456 is a wasteful number, since it uses less digits than its factorization.

74642336456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 491068028 (or 491068024 counting only the distinct ones).

The product of its digits is 8709120, while the sum is 50.

The spelling of 74642336456 in words is "seventy-four billion, six hundred forty-two million, three hundred thirty-six thousand, four hundred fifty-six".