75042004 has 6 divisors (see below), whose sum is σ = 131323514. Its totient is φ = 37521000.

The previous prime is 75041999. The next prime is 75042007. The reversal of 75042004 is 40024057.

It can be written as a sum of positive squares in only one way, i.e., 74857104 + 184900 = 8652^2 + 430^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75042007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9380247 + ... + 9380254.

Almost surely, 2^75042004 is an apocalyptic number.

It is an amenable number.

75042004 is a deficient number, since it is larger than the sum of its proper divisors (56281510).

75042004 is a wasteful number, since it uses less digits than its factorization.

75042004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18760505 (or 18760503 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 22.

The square root of 75042004 is about 8662.6788004635. The cubic root of 75042004 is about 421.7950458374.

The spelling of 75042004 in words is "seventy-five million, forty-two thousand, four".