74405012 has 12 divisors (see below), whose sum is σ = 142046016. Its totient is φ = 33820440.

The previous prime is 74404973. The next prime is 74405021. The reversal of 74405012 is 21050447.

It is a super-2 number, since 2×74405012² = 11072211621440288, which contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 845468 + ... + 845555.

It is an arithmetic number, because the mean of its divisors is an integer number (11837168).

Almost surely, 2^74405012 is an apocalyptic number.

It is an amenable number.

74405012 is a deficient number, since it is larger than the sum of its proper divisors (67641004).

74405012 is a wasteful number, since it uses less digits than its factorization.

74405012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1691038 (or 1691036 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 23.

The square root of 74405012 is about 8625.8339886645. The cubic root of 74405012 is about 420.5981876834.

Adding to 74405012 its reverse (21050447), we get a palindrome (95455459).

The spelling of 74405012 in words is "seventy-four million, four hundred five thousand, twelve".