74652140 has 24 divisors (see below), whose sum is σ = 165021360. Its totient is φ = 28289088.

The previous prime is 74652107. The next prime is 74652157. The reversal of 74652140 is 4125647.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97847 + ... + 98606.

It is an arithmetic number, because the mean of its divisors is an integer number (6875890).

Almost surely, 2^74652140 is an apocalyptic number.

It is an amenable number.

74652140 is an abundant number, since it is smaller than the sum of its proper divisors (90369220).

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

74652140 is a wasteful number, since it uses less digits than its factorization.

74652140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196481 (or 196479 counting only the distinct ones).

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

The square root of 74652140 is about 8640.1469894904. The cubic root of 74652140 is about 421.0633298433.

Adding to 74652140 its reverse (4125647), we get a palindrome (78777787).

The spelling of 74652140 in words is "seventy-four million, six hundred fifty-two thousand, one hundred forty".