73454997924 has 72 divisors (see below), whose sum is σ = 231494547648. Its totient is φ = 19079219520.

The previous prime is 73454997919. The next prime is 73454997971. The reversal of 73454997924 is 42979945437.

73454997924 is a `hidden beast` number, since 7 + 3 + 454 + 9 + 97 + 92 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13246687 + ... + 13252230.

Almost surely, 2^73454997924 is an apocalyptic number.

It is an amenable number.

73454997924 is an abundant number, since it is smaller than the sum of its proper divisors (158039549724).

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

73454997924 is a wasteful number, since it uses less digits than its factorization.

73454997924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26498945 (or 26498940 counting only the distinct ones).

The product of its digits is 68584320, while the sum is 63.

The spelling of 73454997924 in words is "seventy-three billion, four hundred fifty-four million, nine hundred ninety-seven thousand, nine hundred twenty-four".