75028004 has 12 divisors (see below), whose sum is σ = 139022604. Its totient is φ = 35307264.

The previous prime is 75028003. The next prime is 75028033. The reversal of 75028004 is 40082057.

It can be written as a sum of positive squares in 2 ways, for example, as 54760000 + 20268004 = 7400^2 + 4502^2 .

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (75028003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 551609 + ... + 551744.

It is an arithmetic number, because the mean of its divisors is an integer number (11585217).

Almost surely, 2^75028004 is an apocalyptic number.

It is an amenable number.

75028004 is a deficient number, since it is larger than the sum of its proper divisors (63994600).

75028004 is a wasteful number, since it uses less digits than its factorization.

75028004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1103374 (or 1103372 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 26.

The square root of 75028004 is about 8661.8706986424. The cubic root of 75028004 is about 421.7688138714.

Adding to 75028004 its product of nonzero digits (2240), we get a square (75030244 = 8662²).

The spelling of 75028004 in words is "seventy-five million, twenty-eight thousand, four".