74748020 has 48 divisors (see below), whose sum is σ = 161336448. Its totient is φ = 29078400.

The previous prime is 74748017. The next prime is 74748049. The reversal of 74748020 is 2084747.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 159827 + ... + 160293.

It is an arithmetic number, because the mean of its divisors is an integer number (3361176).

Almost surely, 2^74748020 is an apocalyptic number.

It is an amenable number.

74748020 is an abundant number, since it is smaller than the sum of its proper divisors (86588428).

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

74748020 is a wasteful number, since it uses less digits than its factorization.

74748020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 680 (or 678 counting only the distinct ones).

The product of its (nonzero) digits is 12544, while the sum is 32.

The square root of 74748020 is about 8645.6937257805. The cubic root of 74748020 is about 421.2435179377.

The spelling of 74748020 in words is "seventy-four million, seven hundred forty-eight thousand, twenty".