74709442402 has 48 divisors (see below), whose sum is σ = 134592288768. Its totient is φ = 30991222080.

The previous prime is 74709442391. The next prime is 74709442429. The reversal of 74709442402 is 20424490747.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 437083 + ... + 583489.

It is an arithmetic number, because the mean of its divisors is an integer number (2804006016).

Almost surely, 2^74709442402 is an apocalyptic number.

74709442402 is a deficient number, since it is larger than the sum of its proper divisors (59882846366).

74709442402 is a wasteful number, since it uses less digits than its factorization.

74709442402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146591 (or 146584 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 43.

The spelling of 74709442402 in words is "seventy-four billion, seven hundred nine million, four hundred forty-two thousand, four hundred two".