40313773 has 4 divisors (see below), whose sum is σ = 40358560. Its totient is φ = 40268988.

The previous prime is 40313743. The next prime is 40313807. The reversal of 40313773 is 37731304.

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 40313773 - 2²⁵ = 6759341 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 (40313723) 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, 21015 + ... + 22852.

It is an arithmetic number, because the mean of its divisors is an integer number (10089640).

Almost surely, 2^40313773 is an apocalyptic number.

It is an amenable number.

40313773 is a deficient number, since it is larger than the sum of its proper divisors (44787).

40313773 is an equidigital number, since it uses as much as digits as its factorization.

40313773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44786.

The product of its (nonzero) digits is 5292, while the sum is 28.

The square root of 40313773 is about 6349.3127974608. The cubic root of 40313773 is about 342.8871017059.

It can be divided in two parts, 4031377 and 3, that added together give a triangular number (4031380 = T₂₈₃₉).

The spelling of 40313773 in words is "forty million, three hundred thirteen thousand, seven hundred seventy-three".