75064920 has 64 divisors (see below), whose sum is σ = 257368320. Its totient is φ = 17157504.

The previous prime is 75064909. The next prime is 75064943. The reversal of 75064920 is 2946057.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 43842 + ... + 45521.

It is an arithmetic number, because the mean of its divisors is an integer number (4021380).

Almost surely, 2^75064920 is an apocalyptic number.

75064920 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

75064920 is an abundant number, since it is smaller than the sum of its proper divisors (182303400).

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

75064920 is a wasteful number, since it uses less digits than its factorization.

75064920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89384 (or 89380 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 75064920 is about 8664.0013850414. The cubic root of 75064920 is about 421.8379767784.

The spelling of 75064920 in words is "seventy-five million, sixty-four thousand, nine hundred twenty".