74422746 has 16 divisors (see below), whose sum is σ = 165384000. Its totient is φ = 24807564.

The previous prime is 74422739. The next prime is 74422757. The reversal of 74422746 is 64722447.

It is a happy number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 74422746.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 689046 + ... + 689153.

It is an arithmetic number, because the mean of its divisors is an integer number (10336500).

Almost surely, 2^74422746 is an apocalyptic number.

74422746 is an abundant number, since it is smaller than the sum of its proper divisors (90961254).

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

74422746 is a wasteful number, since it uses less digits than its factorization.

74422746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1378210 (or 1378204 counting only the distinct ones).

The product of its digits is 75264, while the sum is 36.

The square root of 74422746 is about 8626.8618859931. The cubic root of 74422746 is about 420.6316007360.

The spelling of 74422746 in words is "seventy-four million, four hundred twenty-two thousand, seven hundred forty-six".