75070404 has 18 divisors (see below), whose sum is σ = 189761390. Its totient is φ = 25023456.

The previous prime is 75070399. The next prime is 75070423. The reversal of 75070404 is 40407057.

It can be written as a sum of positive squares in only one way, i.e., 60093504 + 14976900 = 7752^2 + 3870^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1042609 + ... + 1042680.

Almost surely, 2^75070404 is an apocalyptic number.

It is an amenable number.

75070404 is an abundant number, since it is smaller than the sum of its proper divisors (114690986).

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

75070404 is a wasteful number, since it uses less digits than its factorization.

75070404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2085299 (or 2085294 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 27.

The square root of 75070404 is about 8664.3178612052. The cubic root of 75070404 is about 421.8482492338.

The spelling of 75070404 in words is "seventy-five million, seventy thousand, four hundred four".