74414037621 has 32 divisors (see below), whose sum is σ = 126225792000. Its totient is φ = 38656637040.

The previous prime is 74414037611. The next prime is 74414037623. The reversal of 74414037621 is 12673041447.

It is not a de Polignac number, because 74414037621 - 2⁶ = 74414037557 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 74414037621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74414037623) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3275811 + ... + 3298448.

It is an arithmetic number, because the mean of its divisors is an integer number (3944556000).

Almost surely, 2^74414037621 is an apocalyptic number.

It is an amenable number.

74414037621 is a deficient number, since it is larger than the sum of its proper divisors (51811754379).

74414037621 is a wasteful number, since it uses less digits than its factorization.

74414037621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6574294 (or 6574280 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 39.

The spelling of 74414037621 in words is "seventy-four billion, four hundred fourteen million, thirty-seven thousand, six hundred twenty-one".