74271799 has 12 divisors (see below), whose sum is σ = 86788200. Its totient is φ = 63373968.

The previous prime is 74271781. The next prime is 74271809. The reversal of 74271799 is 99717247.

It is not a de Polignac number, because 74271799 - 2⁷ = 74271671 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74271719) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7912 + ... + 14530.

It is an arithmetic number, because the mean of its divisors is an integer number (7232350).

Almost surely, 2^74271799 is an apocalyptic number.

74271799 is a deficient number, since it is larger than the sum of its proper divisors (12516401).

74271799 is a wasteful number, since it uses less digits than its factorization.

74271799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6862 (or 6855 counting only the distinct ones).

The product of its digits is 222264, while the sum is 46.

The square root of 74271799 is about 8618.1087832540. The cubic root of 74271799 is about 420.3470280015.

The spelling of 74271799 in words is "seventy-four million, two hundred seventy-one thousand, seven hundred ninety-nine".