74857235772490 has 32 divisors (see below), whose sum is σ = 135576723770496. Its totient is φ = 29757646900800.

The previous prime is 74857235772409. The next prime is 74857235772623. The reversal of 74857235772490 is 9427753275847.

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, 30392715 + ... + 32763265.

It is an arithmetic number, because the mean of its divisors is an integer number (4236772617828).

Almost surely, 2^{74857235772490} is an apocalyptic number.

74857235772490 is a deficient number, since it is larger than the sum of its proper divisors (60719487998006).

74857235772490 is a wasteful number, since it uses less digits than its factorization.

74857235772490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2390094.

The product of its (nonzero) digits is 829785600, while the sum is 70.

The spelling of 74857235772490 in words is "seventy-four trillion, eight hundred fifty-seven billion, two hundred thirty-five million, seven hundred seventy-two thousand, four hundred ninety".