74074074 has 16 divisors (see below), whose sum is σ = 152152608. Its totient is φ = 24023952.

The previous prime is 74074057. The next prime is 74074093. The reversal of 74074074 is 47047047.

74074074 is a modest number, since divided by 74074 gives 74 as remainder.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 166612 + ... + 167055.

It is an arithmetic number, because the mean of its divisors is an integer number (9509538).

Almost surely, 2^74074074 is an apocalyptic number.

74074074 is a gapful number since it is divisible by the number (74) formed by its first and last digit.

74074074 is an abundant number, since it is smaller than the sum of its proper divisors (78078534).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

74074074 is a wasteful number, since it uses less digits than its factorization.

74074074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333709.

The product of its (nonzero) digits is 21952, while the sum is 33.

The square root of 74074074 is about 8606.6296539354. The cubic root of 74074074 is about 419.9736831583.

Multiplying 74074074 by its sum of digits (33), we get a palindrome (2444444442).

Adding to 74074074 its reverse (47047047), we get a palindrome (121121121).

The spelling of 74074074 in words is "seventy-four million, seventy-four thousand, seventy-four".