75390004 has 12 divisors (see below), whose sum is σ = 132896484. Its totient is φ = 37419584.

The previous prime is 75389999. The next prime is 75390011. The reversal of 75390004 is 40009357.

It can be written as a sum of positive squares in 2 ways, for example, as 50410000 + 24980004 = 7100^2 + 4998^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68239 + ... + 69334.

It is an arithmetic number, because the mean of its divisors is an integer number (11074707).

Almost surely, 2^75390004 is an apocalyptic number.

It is an amenable number.

75390004 is a deficient number, since it is larger than the sum of its proper divisors (57506480).

75390004 is a wasteful number, since it uses less digits than its factorization.

75390004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137714 (or 137712 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 28.

The square root of 75390004 is about 8682.7417328860. The cubic root of 75390004 is about 422.4460517231.

The spelling of 75390004 in words is "seventy-five million, three hundred ninety thousand, four".