74040737 has 4 divisors (see below), whose sum is σ = 76041876. Its totient is φ = 72039600.

The previous prime is 74040727. The next prime is 74040751. The reversal of 74040737 is 73704047.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 35153041 + 38887696 = 5929^2 + 6236^2 .

It is a cyclic number.

It is not a de Polignac number, because 74040737 - 2⁸ = 74040481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74040727) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1000514 + ... + 1000587.

It is an arithmetic number, because the mean of its divisors is an integer number (19010469).

Almost surely, 2^74040737 is an apocalyptic number.

It is an amenable number.

74040737 is a deficient number, since it is larger than the sum of its proper divisors (2001139).

74040737 is a wasteful number, since it uses less digits than its factorization.

74040737 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2001138.

The product of its (nonzero) digits is 16464, while the sum is 32.

The square root of 74040737 is about 8604.6927312949. The cubic root of 74040737 is about 419.9106707223.

The spelling of 74040737 in words is "seventy-four million, forty thousand, seven hundred thirty-seven".