75155864 has 16 divisors (see below), whose sum is σ = 161048400. Its totient is φ = 32209632.

The previous prime is 75155851. The next prime is 75155869. The reversal of 75155864 is 46855157.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75155869) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 670979 + ... + 671090.

It is an arithmetic number, because the mean of its divisors is an integer number (10065525).

Almost surely, 2^75155864 is an apocalyptic number.

It is an amenable number.

75155864 is an abundant number, since it is smaller than the sum of its proper divisors (85892536).

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

75155864 is a wasteful number, since it uses less digits than its factorization.

75155864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1342082 (or 1342078 counting only the distinct ones).

The product of its digits is 168000, while the sum is 41.

The square root of 75155864 is about 8669.2481796290. The cubic root of 75155864 is about 422.0082656003.

The spelling of 75155864 in words is "seventy-five million, one hundred fifty-five thousand, eight hundred sixty-four".