74279018 has 32 divisors (see below), whose sum is σ = 135483840. Its totient is φ = 30101760.

The previous prime is 74278991. The next prime is 74279027. The reversal of 74279018 is 81097247.

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

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 15 ways as a sum of consecutive naturals, for example, 1880 + ... + 12332.

It is an arithmetic number, because the mean of its divisors is an integer number (4233870).

Almost surely, 2^74279018 is an apocalyptic number.

74279018 is a deficient number, since it is larger than the sum of its proper divisors (61204822).

74279018 is a wasteful number, since it uses less digits than its factorization.

74279018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10502.

The product of its (nonzero) digits is 28224, while the sum is 38.

The square root of 74279018 is about 8618.5276004663. The cubic root of 74279018 is about 420.3606463911.

The spelling of 74279018 in words is "seventy-four million, two hundred seventy-nine thousand, eighteen".