74149964 has 12 divisors (see below), whose sum is σ = 148299984. Its totient is φ = 31778544.

The previous prime is 74149963. The next prime is 74149991. The reversal of 74149964 is 46994147.

74149964 is an admirable number.

It is a super-2 number, since 2×74149964² = 10996434322402592, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (74149963) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1324079 + ... + 1324134.

It is an arithmetic number, because the mean of its divisors is an integer number (12358332).

Almost surely, 2^74149964 is an apocalyptic number.

It is an amenable number.

74149964 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

74149964 is a wasteful number, since it uses less digits than its factorization.

74149964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2648224 (or 2648222 counting only the distinct ones).

The product of its digits is 217728, while the sum is 44.

The square root of 74149964 is about 8611.0373358847. The cubic root of 74149964 is about 420.1170573193.

It can be divided in two parts, 741 and 49964, that added together give a palindrome (50705).

The spelling of 74149964 in words is "seventy-four million, one hundred forty-nine thousand, nine hundred sixty-four".