74271836 has 24 divisors (see below), whose sum is σ = 140004480. Its totient is φ = 34361712.

The previous prime is 74271829. The next prime is 74271859. The reversal of 74271836 is 63817247.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a self number, because there is not a number n which added to its sum of digits gives 74271836.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8096 + ... + 14631.

It is an arithmetic number, because the mean of its divisors is an integer number (5833520).

Almost surely, 2^74271836 is an apocalyptic number.

74271836 is a gapful number since it is divisible by the number (76) formed by its first and last digit.

It is an amenable number.

74271836 is a deficient number, since it is larger than the sum of its proper divisors (65732644).

74271836 is a wasteful number, since it uses less digits than its factorization.

74271836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22793 (or 22791 counting only the distinct ones).

The product of its digits is 56448, while the sum is 38.

The square root of 74271836 is about 8618.1109298964. The cubic root of 74271836 is about 420.3470978029.

The spelling of 74271836 in words is "seventy-four million, two hundred seventy-one thousand, eight hundred thirty-six".