74120152 has 8 divisors (see below), whose sum is σ = 138975300. Its totient is φ = 37060072.

The previous prime is 74120147. The next prime is 74120177. The reversal of 74120152 is 25102147.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4632502 + ... + 4632517.

Almost surely, 2^74120152 is an apocalyptic number.

It is an amenable number.

74120152 is a deficient number, since it is larger than the sum of its proper divisors (64855148).

74120152 is a wasteful number, since it uses less digits than its factorization.

74120152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9265025 (or 9265021 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 22.

The square root of 74120152 is about 8609.3061276737. The cubic root of 74120152 is about 420.0607470713.

Adding to 74120152 its reverse (25102147), we get a palindrome (99222299).

The spelling of 74120152 in words is "seventy-four million, one hundred twenty thousand, one hundred fifty-two".