40573761 has 16 divisors (see below), whose sum is σ = 56071680. Its totient is φ = 26069760.

The previous prime is 40573739. The next prime is 40573763. The reversal of 40573761 is 16737504.

It is not a de Polignac number, because 40573761 - 2²⁵ = 7019329 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40573763) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26505 + ... + 27993.

It is an arithmetic number, because the mean of its divisors is an integer number (3504480).

Almost surely, 2^40573761 is an apocalyptic number.

It is an amenable number.

40573761 is a deficient number, since it is larger than the sum of its proper divisors (15497919).

40573761 is a wasteful number, since it uses less digits than its factorization.

40573761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1816.

The product of its (nonzero) digits is 17640, while the sum is 33.

The square root of 40573761 is about 6369.7536059097. The cubic root of 40573761 is about 343.6226284686.

The spelling of 40573761 in words is "forty million, five hundred seventy-three thousand, seven hundred sixty-one".