75642164 has 12 divisors (see below), whose sum is σ = 142556484. Its totient is φ = 34911744.

The previous prime is 75642143. The next prime is 75642167. The reversal of 75642164 is 46124657.

It can be written as a sum of positive squares in 2 ways, for example, as 48163600 + 27478564 = 6940^2 + 5242^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75642167) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 727277 + ... + 727380.

It is an arithmetic number, because the mean of its divisors is an integer number (11879707).

Almost surely, 2^75642164 is an apocalyptic number.

It is an amenable number.

75642164 is a deficient number, since it is larger than the sum of its proper divisors (66914320).

75642164 is a wasteful number, since it uses less digits than its factorization.

75642164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1454674 (or 1454672 counting only the distinct ones).

The product of its digits is 40320, while the sum is 35.

The square root of 75642164 is about 8697.2503700882. The cubic root of 75642164 is about 422.9165183894.

The spelling of 75642164 in words is "seventy-five million, six hundred forty-two thousand, one hundred sixty-four".