74078040402392 has 64 divisors (see below), whose sum is σ = 158605457119200. Its totient is φ = 32132791756800.

The previous prime is 74078040402347. The next prime is 74078040402403. The reversal of 74078040402392 is 29320404087047.

It is a self number, because there is not a number n which added to its sum of digits gives 74078040402392.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28646042 + ... + 31124777.

Almost surely, 2^{74078040402392} is an apocalyptic number.

It is an amenable number.

74078040402392 is an abundant number, since it is smaller than the sum of its proper divisors (84527416716808).

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

74078040402392 is a wasteful number, since it uses less digits than its factorization.

74078040402392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59771556 (or 59771552 counting only the distinct ones).

The product of its (nonzero) digits is 2709504, while the sum is 50.

The spelling of 74078040402392 in words is "seventy-four trillion, seventy-eight billion, forty million, four hundred two thousand, three hundred ninety-two".