74125740 has 144 divisors (see below), whose sum is σ = 233539488. Its totient is φ = 17461248.

The previous prime is 74125699. The next prime is 74125759. The reversal of 74125740 is 4752147.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 74125698 and 74125707.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 655924 + ... + 656036.

It is an arithmetic number, because the mean of its divisors is an integer number (1621802).

Almost surely, 2^74125740 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74125740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (116769744).

74125740 is an abundant number, since it is smaller than the sum of its proper divisors (159413748).

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

74125740 is a wasteful number, since it uses less digits than its factorization.

74125740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196 (or 165 counting only the distinct ones).

The product of its (nonzero) digits is 7840, while the sum is 30.

The square root of 74125740 is about 8609.6306540989. The cubic root of 74125740 is about 420.0713030870.

Adding to 74125740 its reverse (4752147), we get a palindrome (78877887).

The spelling of 74125740 in words is "seventy-four million, one hundred twenty-five thousand, seven hundred forty".