74040738 has 16 divisors (see below), whose sum is σ = 148730880. Its totient is φ = 24572016.

The previous prime is 74040727. The next prime is 74040751. The reversal of 74040738 is 83704047.

It is a happy number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 74040699 and 74040708.

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, 25570 + ... + 28317.

It is an arithmetic number, because the mean of its divisors is an integer number (9295680).

Almost surely, 2^74040738 is an apocalyptic number.

74040738 is an abundant number, since it is smaller than the sum of its proper divisors (74690142).

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

74040738 is a wasteful number, since it uses less digits than its factorization.

74040738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54121.

The product of its (nonzero) digits is 18816, while the sum is 33.

The square root of 74040738 is about 8604.6927894028. The cubic root of 74040738 is about 419.9106726128.

The spelling of 74040738 in words is "seventy-four million, forty thousand, seven hundred thirty-eight".