75404590922 has 4 divisors (see below), whose sum is σ = 113106886386. Its totient is φ = 37702295460.

The previous prime is 75404590913. The next prime is 75404590931. The reversal of 75404590922 is 22909540457.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (75404590913) and next prime (75404590931).

It can be written as a sum of positive squares in only one way, i.e., 41135546761 + 34269044161 = 202819^2 + 185119^2 .

It is a super-2 number, since 2×75404590922² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18851147729 + ... + 18851147732.

Almost surely, 2^75404590922 is an apocalyptic number.

75404590922 is a deficient number, since it is larger than the sum of its proper divisors (37702295464).

75404590922 is a wasteful number, since it uses less digits than its factorization.

75404590922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37702295463.

The product of its (nonzero) digits is 907200, while the sum is 47.

The spelling of 75404590922 in words is "seventy-five billion, four hundred four million, five hundred ninety thousand, nine hundred twenty-two".