74437685532 has 96 divisors (see below), whose sum is σ = 223279203840. Its totient is φ = 21267892656.

The previous prime is 74437685519. The next prime is 74437685563. The reversal of 74437685532 is 23558673447.

It is a happy number.

74437685532 is a `hidden beast` number, since 7 + 4 + 43 + 7 + 68 + 5 + 532 = 666.

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

It is a congruent number.

It is an unprimeable number.

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 in 31 ways as a sum of consecutive naturals, for example, 546558 + ... + 669029.

It is an arithmetic number, because the mean of its divisors is an integer number (2325825040).

Almost surely, 2^74437685532 is an apocalyptic number.

It is an amenable number.

74437685532 is an abundant number, since it is smaller than the sum of its proper divisors (148841518308).

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

74437685532 is a wasteful number, since it uses less digits than its factorization.

74437685532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1215619 (or 1215599 counting only the distinct ones).

The product of its digits is 16934400, while the sum is 54.

The spelling of 74437685532 in words is "seventy-four billion, four hundred thirty-seven million, six hundred eighty-five thousand, five hundred thirty-two".