74730822 has 16 divisors (see below), whose sum is σ = 149975280. Its totient is φ = 24824672.

The previous prime is 74730811. The next prime is 74730829. The reversal of 74730822 is 22803747.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74730829) 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, 19497 + ... + 23012.

It is an arithmetic number, because the mean of its divisors is an integer number (9373455).

Almost surely, 2^74730822 is an apocalyptic number.

74730822 is an abundant number, since it is smaller than the sum of its proper divisors (75244458).

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

74730822 is a wasteful number, since it uses less digits than its factorization.

74730822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42807.

The product of its (nonzero) digits is 18816, while the sum is 33.

The square root of 74730822 is about 8644.6990693719. The cubic root of 74730822 is about 421.2112089361.

The spelling of 74730822 in words is "seventy-four million, seven hundred thirty thousand, eight hundred twenty-two".