74479018 has 16 divisors (see below), whose sum is σ = 115785000. Its totient is φ = 35888832.

The previous prime is 74479003. The next prime is 74479033. The reversal of 74479018 is 81097447.

It is an interprime number because it is at equal distance from previous prime (74479003) and next prime (74479033).

It can be written as a sum of positive squares in 4 ways, for example, as 61826769 + 12652249 = 7863^2 + 3557^2 .

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, 47308 + ... + 48856.

Almost surely, 2^74479018 is an apocalyptic number.

74479018 is a deficient number, since it is larger than the sum of its proper divisors (41305982).

74479018 is a wasteful number, since it uses less digits than its factorization.

74479018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2409.

The product of its (nonzero) digits is 56448, while the sum is 40.

The square root of 74479018 is about 8630.1227105992. The cubic root of 74479018 is about 420.7375890238.

The spelling of 74479018 in words is "seventy-four million, four hundred seventy-nine thousand, eighteen".