74040687 has 12 divisors (see below), whose sum is σ = 122226000. Its totient is φ = 42308928.

The previous prime is 74040671. The next prime is 74040697. The reversal of 74040687 is 78604047.

It is a happy number.

It is not a de Polignac number, because 74040687 - 2⁴ = 74040671 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74040697) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 587562 + ... + 587687.

It is an arithmetic number, because the mean of its divisors is an integer number (10185500).

Almost surely, 2^74040687 is an apocalyptic number.

74040687 is a deficient number, since it is larger than the sum of its proper divisors (48185313).

74040687 is a wasteful number, since it uses less digits than its factorization.

74040687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1175262 (or 1175259 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 36.

The square root of 74040687 is about 8604.6898259031. The cubic root of 74040687 is about 419.9105761999.

The spelling of 74040687 in words is "seventy-four million, forty thousand, six hundred eighty-seven".