74426959512 has 48 divisors (see below), whose sum is σ = 209038688040. Its totient is φ = 24808985856.

The previous prime is 74426959471. The next prime is 74426959513. The reversal of 74426959512 is 21595962447.

It is a happy number.

74426959512 is a `hidden beast` number, since 7 + 4 + 42 + 6 + 9 + 595 + 1 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74426959513) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19140793 + ... + 19144680.

Almost surely, 2^74426959512 is an apocalyptic number.

74426959512 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

74426959512 is an abundant number, since it is smaller than the sum of its proper divisors (134611728528).

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

74426959512 is a wasteful number, since it uses less digits than its factorization.

74426959512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38285494 (or 38285478 counting only the distinct ones).

The product of its digits is 5443200, while the sum is 54.

The spelling of 74426959512 in words is "seventy-four billion, four hundred twenty-six million, nine hundred fifty-nine thousand, five hundred twelve".