75139604 has 24 divisors (see below), whose sum is σ = 138989760. Its totient is φ = 35444736.

The previous prime is 75139601. The next prime is 75139607. The reversal of 75139604 is 40693157.

It is an interprime number because it is at equal distance from previous prime (75139601) and next prime (75139607).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75139601) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 17609 + ... + 21455.

It is an arithmetic number, because the mean of its divisors is an integer number (5791240).

Almost surely, 2^75139604 is an apocalyptic number.

It is an amenable number.

75139604 is a deficient number, since it is larger than the sum of its proper divisors (63850156).

75139604 is a wasteful number, since it uses less digits than its factorization.

75139604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4127 (or 4125 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 35.

The square root of 75139604 is about 8668.3103313160. The cubic root of 75139604 is about 421.9778295219.

The spelling of 75139604 in words is "seventy-five million, one hundred thirty-nine thousand, six hundred four".