74644100422 has 4 divisors (see below), whose sum is σ = 111966150636. Its totient is φ = 37322050210.

The previous prime is 74644100371. The next prime is 74644100501. The reversal of 74644100422 is 22400144647.

It is a semiprime because it is the product of two primes.

It is a super-4 number, since 4×74644100422⁴ (a number of 45 digits) contains 4444 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18661025104 + ... + 18661025107.

It is an arithmetic number, because the mean of its divisors is an integer number (27991537659).

Almost surely, 2^74644100422 is an apocalyptic number.

74644100422 is a deficient number, since it is larger than the sum of its proper divisors (37322050214).

74644100422 is a wasteful number, since it uses less digits than its factorization.

74644100422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37322050213.

The product of its (nonzero) digits is 43008, while the sum is 34.

The spelling of 74644100422 in words is "seventy-four billion, six hundred forty-four million, one hundred thousand, four hundred twenty-two".