75401397292 has 48 divisors (see below), whose sum is σ = 143527168512. Its totient is φ = 34452221760.

The previous prime is 75401397241. The next prime is 75401397299. The reversal of 75401397292 is 29279310457.

It is a happy number.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (75401397299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10406623 + ... + 10413865.

It is an arithmetic number, because the mean of its divisors is an integer number (2990149344).

Almost surely, 2^75401397292 is an apocalyptic number.

It is an amenable number.

75401397292 is a deficient number, since it is larger than the sum of its proper divisors (68125771220).

75401397292 is a wasteful number, since it uses less digits than its factorization.

75401397292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9238 (or 9236 counting only the distinct ones).

The product of its (nonzero) digits is 952560, while the sum is 49.

The spelling of 75401397292 in words is "seventy-five billion, four hundred one million, three hundred ninety-seven thousand, two hundred ninety-two".