40713893 has 4 divisors (see below), whose sum is σ = 44415168. Its totient is φ = 37012620.

The previous prime is 40713877. The next prime is 40713899. The reversal of 40713893 is 39831704.

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 40713893 - 2⁴ = 40713877 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40713899) 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, 1850621 + ... + 1850642.

It is an arithmetic number, because the mean of its divisors is an integer number (11103792).

Almost surely, 2^40713893 is an apocalyptic number.

It is an amenable number.

40713893 is a deficient number, since it is larger than the sum of its proper divisors (3701275).

40713893 is a wasteful number, since it uses less digits than its factorization.

40713893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3701274.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 40713893 is about 6380.7439221458. The cubic root of 40713893 is about 344.0177705125.

The spelling of 40713893 in words is "forty million, seven hundred thirteen thousand, eight hundred ninety-three".