75397291044 has 48 divisors (see below), whose sum is σ = 185515572480. Its totient is φ = 23767339680.

The previous prime is 75397291037. The next prime is 75397291097. The reversal of 75397291044 is 44019279357.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 165322 + ... + 422049.

It is an arithmetic number, because the mean of its divisors is an integer number (3864907760).

Almost surely, 2^75397291044 is an apocalyptic number.

It is an amenable number.

75397291044 is an abundant number, since it is smaller than the sum of its proper divisors (110118281436).

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

75397291044 is a wasteful number, since it uses less digits than its factorization.

75397291044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 587960 (or 587958 counting only the distinct ones).

The product of its (nonzero) digits is 1905120, while the sum is 51.

The spelling of 75397291044 in words is "seventy-five billion, three hundred ninety-seven million, two hundred ninety-one thousand, forty-four".