74126740 has 24 divisors (see below), whose sum is σ = 156533832. Its totient is φ = 29485440.

The previous prime is 74126737. The next prime is 74126777. The reversal of 74126740 is 4762147.

It can be written as a sum of positive squares in 4 ways, for example, as 1331716 + 72795024 = 1154^2 + 8532^2 .

It is a congruent number.

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, 6619 + ... + 13858.

It is an arithmetic number, because the mean of its divisors is an integer number (6522243).

Almost surely, 2^74126740 is an apocalyptic number.

It is an amenable number.

74126740 is an abundant number, since it is smaller than the sum of its proper divisors (82407092).

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

74126740 is a wasteful number, since it uses less digits than its factorization.

74126740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20667 (or 20665 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 31.

The square root of 74126740 is about 8609.6887284036. The cubic root of 74126740 is about 420.0731920818.

Adding to 74126740 its reverse (4762147), we get a palindrome (78888887).

The spelling of 74126740 in words is "seventy-four million, one hundred twenty-six thousand, seven hundred forty".