74909822 has 32 divisors (see below), whose sum is σ = 125798400. Its totient is φ = 33232608.

The previous prime is 74909801. The next prime is 74909831. The reversal of 74909822 is 22890947.

It is a super-2 number, since 2×74909822² = 11222962864143368, which contains 22 as substring.

It is a cake number, because a cake can be divided into 74909822 parts by 766 planar cuts.

It is a self number, because there is not a number n which added to its sum of digits gives 74909822.

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, 71579 + ... + 72617.

It is an arithmetic number, because the mean of its divisors is an integer number (3931200).

Almost surely, 2^74909822 is an apocalyptic number.

74909822 is a deficient number, since it is larger than the sum of its proper divisors (50888578).

74909822 is a wasteful number, since it uses less digits than its factorization.

74909822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1160.

The product of its (nonzero) digits is 72576, while the sum is 41.

The square root of 74909822 is about 8655.0460426274. The cubic root of 74909822 is about 421.5472447063.

The spelling of 74909822 in words is "seventy-four million, nine hundred nine thousand, eight hundred twenty-two".