75144704 has 20 divisors (see below), whose sum is σ = 150143664. Its totient is φ = 37572096.

The previous prime is 75144691. The next prime is 75144733. The reversal of 75144704 is 40744157.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 72872 + ... + 73895.

Almost surely, 2^75144704 is an apocalyptic number.

It is an amenable number.

75144704 is a deficient number, since it is larger than the sum of its proper divisors (74998960).

75144704 is an equidigital number, since it uses as much as digits as its factorization.

75144704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146785 (or 146769 counting only the distinct ones).

The product of its (nonzero) digits is 15680, while the sum is 32.

The square root of 75144704 is about 8668.6045013024. The cubic root of 75144704 is about 421.9873763659.

The spelling of 75144704 in words is "seventy-five million, one hundred forty-four thousand, seven hundred four".