74729637340002 has 16 divisors (see below), whose sum is σ = 166065860755680. Its totient is φ = 24909879113316.

The previous prime is 74729637339997. The next prime is 74729637340009. The reversal of 74729637340002 is 20004373692747.

74729637340002 is a `hidden beast` number, since 7 + 4 + 7 + 296 + 3 + 7 + 340 + 0 + 0 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54), and also a Moran number because the ratio is a prime number: 1383882172963 = 74729637340002 / (7 + 4 + 7 + 2 + 9 + 6 + 3 + 7 + 3 + 4 + 0 + 0 + 0 + 2).

It is not an unprimeable number, because it can be changed into a prime (74729637340009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 691941086428 + ... + 691941086535.

It is an arithmetic number, because the mean of its divisors is an integer number (10379116297230).

Almost surely, 2^{74729637340002} is an apocalyptic number.

74729637340002 is an abundant number, since it is smaller than the sum of its proper divisors (91336223415678).

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

74729637340002 is a wasteful number, since it uses less digits than its factorization.

74729637340002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1383882172974 (or 1383882172968 counting only the distinct ones).

The product of its (nonzero) digits is 10668672, while the sum is 54.

The spelling of 74729637340002 in words is "seventy-four trillion, seven hundred twenty-nine billion, six hundred thirty-seven million, three hundred forty thousand, two".