74625424140 has 48 divisors (see below), whose sum is σ = 213810524928. Its totient is φ = 19437319104.

The previous prime is 74625424091. The next prime is 74625424147. The reversal of 74625424140 is 4142452647.

It is not an unprimeable number, because it can be changed into a prime (74625424147) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 14459712 + ... + 14464871.

It is an arithmetic number, because the mean of its divisors is an integer number (4454385936).

Almost surely, 2^74625424140 is an apocalyptic number.

It is an amenable number.

74625424140 is an abundant number, since it is smaller than the sum of its proper divisors (139185100788).

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

74625424140 is a wasteful number, since it uses less digits than its factorization.

74625424140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28924638 (or 28924636 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 39.

Adding to 74625424140 its reverse (4142452647), we get a palindrome (78767876787).

The spelling of 74625424140 in words is "seventy-four billion, six hundred twenty-five million, four hundred twenty-four thousand, one hundred forty".