75004002 has 16 divisors (see below), whose sum is σ = 166675680. Its totient is φ = 25001316.

The previous prime is 75003991. The next prime is 75004031. The reversal of 75004002 is 20040057.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 694428 + ... + 694535.

It is an arithmetic number, because the mean of its divisors is an integer number (10417230).

Almost surely, 2^75004002 is an apocalyptic number.

75004002 is an abundant number, since it is smaller than the sum of its proper divisors (91671678).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

75004002 is a wasteful number, since it uses less digits than its factorization.

75004002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1388974 (or 1388968 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 18.

The square root of 75004002 is about 8660.4850903399. The cubic root of 75004002 is about 421.7238334453.

Adding to 75004002 its reverse (20040057), we get a palindrome (95044059).

The spelling of 75004002 in words is "seventy-five million, four thousand, two".