74840622 has 32 divisors (see below), whose sum is σ = 152576160. Its totient is φ = 24468480.

The previous prime is 74840609. The next prime is 74840651. The reversal of 74840622 is 22604847.

It is a super-2 number, since 2×74840622² = 11202237402693768, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 105204 + ... + 105912.

It is an arithmetic number, because the mean of its divisors is an integer number (4768005).

Almost surely, 2^74840622 is an apocalyptic number.

74840622 is an abundant number, since it is smaller than the sum of its proper divisors (77735538).

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

74840622 is a wasteful number, since it uses less digits than its factorization.

74840622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1028.

The product of its (nonzero) digits is 21504, while the sum is 33.

The square root of 74840622 is about 8651.0474510316. The cubic root of 74840622 is about 421.4173994439.

The spelling of 74840622 in words is "seventy-four million, eight hundred forty thousand, six hundred twenty-two".