40502713 has 4 divisors (see below), whose sum is σ = 40821760. Its totient is φ = 40183668.

The previous prime is 40502681. The next prime is 40502723. The reversal of 40502713 is 31720504.

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 40502713 - 2⁵ = 40502681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40502723) 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, 159333 + ... + 159586.

It is an arithmetic number, because the mean of its divisors is an integer number (10205440).

Almost surely, 2^40502713 is an apocalyptic number.

It is an amenable number.

40502713 is a deficient number, since it is larger than the sum of its proper divisors (319047).

40502713 is a wasteful number, since it uses less digits than its factorization.

40502713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319046.

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 40502713 is about 6364.1741805202. The cubic root of 40502713 is about 343.4219407670.

The spelling of 40502713 in words is "forty million, five hundred two thousand, seven hundred thirteen".