75320164 has 6 divisors (see below), whose sum is σ = 131810294. Its totient is φ = 37660080.

The previous prime is 75320143. The next prime is 75320207. The reversal of 75320164 is 46102357.

It can be written as a sum of positive squares in only one way, i.e., 58982400 + 16337764 = 7680^2 + 4042^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9415017 + ... + 9415024.

Almost surely, 2^75320164 is an apocalyptic number.

It is an amenable number.

75320164 is a deficient number, since it is larger than the sum of its proper divisors (56490130).

75320164 is a wasteful number, since it uses less digits than its factorization.

75320164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18830045 (or 18830043 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 75320164 is about 8678.7190299030. The cubic root of 75320164 is about 422.3155625074.

The spelling of 75320164 in words is "seventy-five million, three hundred twenty thousand, one hundred sixty-four".