74620790 has 16 divisors (see below), whose sum is σ = 141387120. Its totient is φ = 28277280.

The previous prime is 74620789. The next prime is 74620811. The reversal of 74620790 is 9702647.

It is a self number, because there is not a number n which added to its sum of digits gives 74620790.

It is a congruent number.

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, 196181 + ... + 196560.

It is an arithmetic number, because the mean of its divisors is an integer number (8836695).

Almost surely, 2^74620790 is an apocalyptic number.

74620790 is a deficient number, since it is larger than the sum of its proper divisors (66766330).

74620790 is a wasteful number, since it uses less digits than its factorization.

74620790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392767.

The product of its (nonzero) digits is 21168, while the sum is 35.

The square root of 74620790 is about 8638.3325937359. The cubic root of 74620790 is about 421.0043800546.

The spelling of 74620790 in words is "seventy-four million, six hundred twenty thousand, seven hundred ninety".