75490304 has 22 divisors (see below), whose sum is σ = 150908934. Its totient is φ = 37744640.

The previous prime is 75490291. The next prime is 75490309. The reversal of 75490304 is 40309457.

It can be written as a sum of positive squares in only one way, i.e., 56550400 + 18939904 = 7520^2 + 4352^2 .

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

It is not an unprimeable number, because it can be changed into a prime (75490309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35837 + ... + 37884.

It is an arithmetic number, because the mean of its divisors is an integer number (6859497).

Almost surely, 2^75490304 is an apocalyptic number.

It is an amenable number.

75490304 is a deficient number, since it is larger than the sum of its proper divisors (75418630).

75490304 is an equidigital number, since it uses as much as digits as its factorization.

75490304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73741 (or 73723 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 75490304 is about 8688.5156384736. The cubic root of 75490304 is about 422.6333115725.

The spelling of 75490304 in words is "seventy-five million, four hundred ninety thousand, three hundred four".