74130138744 has 64 divisors (see below), whose sum is σ = 187434324000. Its totient is φ = 24429841920.

The previous prime is 74130138743. The next prime is 74130138757. The reversal of 74130138744 is 44783103147.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 74130138696 and 74130138705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74130138743) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1175242 + ... + 1236710.

Almost surely, 2^74130138744 is an apocalyptic number.

It is an amenable number.

74130138744 is an abundant number, since it is smaller than the sum of its proper divisors (113304185256).

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

74130138744 is a wasteful number, since it uses less digits than its factorization.

74130138744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62048 (or 62044 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 42.

The spelling of 74130138744 in words is "seventy-four billion, one hundred thirty million, one hundred thirty-eight thousand, seven hundred forty-four".