74621031427 has 8 divisors (see below), whose sum is σ = 74721066992. Its totient is φ = 74521036800.

The previous prime is 74621031409. The next prime is 74621031431. The reversal of 74621031427 is 72413012647.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-74621031427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74621031827) 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, 5545027 + ... + 5558467.

It is an arithmetic number, because the mean of its divisors is an integer number (9340133374).

Almost surely, 2^74621031427 is an apocalyptic number.

74621031427 is a deficient number, since it is larger than the sum of its proper divisors (100035565).

74621031427 is a wasteful number, since it uses less digits than its factorization.

74621031427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20469.

The product of its (nonzero) digits is 56448, while the sum is 37.

The spelling of 74621031427 in words is "seventy-four billion, six hundred twenty-one million, thirty-one thousand, four hundred twenty-seven".