74439452 has 6 divisors (see below), whose sum is σ = 130269048. Its totient is φ = 37219724.

The previous prime is 74439437. The next prime is 74439457. The reversal of 74439452 is 25493447.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74439457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9304928 + ... + 9304935.

It is an arithmetic number, because the mean of its divisors is an integer number (21711508).

Almost surely, 2^74439452 is an apocalyptic number.

It is an amenable number.

74439452 is a deficient number, since it is larger than the sum of its proper divisors (55829596).

74439452 is a wasteful number, since it uses less digits than its factorization.

74439452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18609867 (or 18609865 counting only the distinct ones).

The product of its digits is 120960, while the sum is 38.

The square root of 74439452 is about 8627.8300864122. The cubic root of 74439452 is about 420.6630720543.

The spelling of 74439452 in words is "seventy-four million, four hundred thirty-nine thousand, four hundred fifty-two".