74640152 has 32 divisors (see below), whose sum is σ = 146746080. Its totient is φ = 35523840.

The previous prime is 74640127. The next prime is 74640161. The reversal of 74640152 is 25104647.

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 7 ways as a sum of consecutive naturals, for example, 42002 + ... + 43742.

It is an arithmetic number, because the mean of its divisors is an integer number (4585815).

Almost surely, 2^74640152 is an apocalyptic number.

It is an amenable number.

74640152 is a deficient number, since it is larger than the sum of its proper divisors (72105928).

74640152 is a wasteful number, since it uses less digits than its factorization.

74640152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2003 (or 1999 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 74640152 is about 8639.4532234395. The cubic root of 74640152 is about 421.0407898446.

Adding to 74640152 its reverse (25104647), we get a palindrome (99744799).

The spelling of 74640152 in words is "seventy-four million, six hundred forty thousand, one hundred fifty-two".