74812695720 has 64 divisors (see below), whose sum is σ = 256500673920. Its totient is φ = 17100044544.

The previous prime is 74812695709. The next prime is 74812695739. The reversal of 74812695720 is 2759621847.

It is a happy 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 15 ways as a sum of consecutive naturals, for example, 44530527 + ... + 44532206.

It is an arithmetic number, because the mean of its divisors is an integer number (4007823030).

Almost surely, 2^74812695720 is an apocalyptic number.

74812695720 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

74812695720 is an abundant number, since it is smaller than the sum of its proper divisors (181687978200).

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

74812695720 is a wasteful number, since it uses less digits than its factorization.

74812695720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89062754 (or 89062750 counting only the distinct ones).

The product of its (nonzero) digits is 1693440, while the sum is 51.

The spelling of 74812695720 in words is "seventy-four billion, eight hundred twelve million, six hundred ninety-five thousand, seven hundred twenty".