74819899 has 16 divisors (see below), whose sum is σ = 94118400. Its totient is φ = 57778560.

The previous prime is 74819887. The next prime is 74819909. The reversal of 74819899 is 99891847.

It is not a de Polignac number, because 74819899 - 2⁵ = 74819867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74819819) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4402 + ... + 13000.

It is an arithmetic number, because the mean of its divisors is an integer number (5882400).

Almost surely, 2^74819899 is an apocalyptic number.

74819899 is a deficient number, since it is larger than the sum of its proper divisors (19298501).

74819899 is a wasteful number, since it uses less digits than its factorization.

74819899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8730.

The product of its digits is 1306368, while the sum is 55.

The square root of 74819899 is about 8649.8496518726. The cubic root of 74819899 is about 421.3784997185.

The spelling of 74819899 in words is "seventy-four million, eight hundred nineteen thousand, eight hundred ninety-nine".