40073713 has 4 divisors (see below), whose sum is σ = 40319728. Its totient is φ = 39827700.

The previous prime is 40073711. The next prime is 40073729. The reversal of 40073713 is 31737004.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 40073713 - 2¹ = 40073711 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40073711) 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, 122763 + ... + 123088.

It is an arithmetic number, because the mean of its divisors is an integer number (10079932).

Almost surely, 2^40073713 is an apocalyptic number.

It is an amenable number.

40073713 is a deficient number, since it is larger than the sum of its proper divisors (246015).

40073713 is a wasteful number, since it uses less digits than its factorization.

40073713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246014.

The product of its (nonzero) digits is 1764, while the sum is 25.

The square root of 40073713 is about 6330.3801623599. The cubic root of 40073713 is about 342.2051395159.

The spelling of 40073713 in words is "forty million, seventy-three thousand, seven hundred thirteen".