74020018 has 8 divisors (see below), whose sum is σ = 113392512. Its totient is φ = 36222516.

The previous prime is 74020013. The next prime is 74020019. The reversal of 74020018 is 81002047.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (74020013) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 393630 + ... + 393817.

It is an arithmetic number, because the mean of its divisors is an integer number (14174064).

Almost surely, 2^74020018 is an apocalyptic number.

74020018 is a deficient number, since it is larger than the sum of its proper divisors (39372494).

74020018 is a wasteful number, since it uses less digits than its factorization.

74020018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 787496.

The product of its (nonzero) digits is 448, while the sum is 22.

The square root of 74020018 is about 8603.4887109823. The cubic root of 74020018 is about 419.8714988593.

It can be divided in two parts, 7 and 4020018, that added together give a square (4020025 = 2005²).

The spelling of 74020018 in words is "seventy-four million, twenty thousand, eighteen".