74378748292 has 48 divisors (see below), whose sum is σ = 134382536064. Its totient is φ = 35998560000.

The previous prime is 74378748217. The next prime is 74378748307. The reversal of 74378748292 is 29284787347.

It is a self number, because there is not a number n which added to its sum of digits gives 74378748292.

It is an unprimeable number.

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, 31771042 + ... + 31773382.

It is an arithmetic number, because the mean of its divisors is an integer number (2799636168).

Almost surely, 2^74378748292 is an apocalyptic number.

It is an amenable number.

74378748292 is a deficient number, since it is larger than the sum of its proper divisors (60003787772).

74378748292 is a wasteful number, since it uses less digits than its factorization.

74378748292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3820 (or 3818 counting only the distinct ones).

The product of its digits is 37933056, while the sum is 61.

The spelling of 74378748292 in words is "seventy-four billion, three hundred seventy-eight million, seven hundred forty-eight thousand, two hundred ninety-two".