40073708 has 12 divisors (see below), whose sum is σ = 72547440. Its totient is φ = 19345872.

The previous prime is 40073653. The next prime is 40073711. The reversal of 40073708 is 80737004.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 172616 + ... + 172847.

It is an arithmetic number, because the mean of its divisors is an integer number (6045620).

Almost surely, 2^40073708 is an apocalyptic number.

It is an amenable number.

40073708 is a deficient number, since it is larger than the sum of its proper divisors (32473732).

40073708 is a wasteful number, since it uses less digits than its factorization.

40073708 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345496 (or 345494 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 29.

The square root of 40073708 is about 6330.3797674389. The cubic root of 40073708 is about 342.2051252836.

The spelling of 40073708 in words is "forty million, seventy-three thousand, seven hundred eight".