40680753 has 4 divisors (see below), whose sum is σ = 54241008. Its totient is φ = 27120500.

The previous prime is 40680751. The next prime is 40680781. The reversal of 40680753 is 35708604.

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 40680753 - 2¹ = 40680751 is a prime.

It is a super-3 number, since 3×40680753³ (a number of 24 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (40680751) 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, 6780123 + ... + 6780128.

It is an arithmetic number, because the mean of its divisors is an integer number (13560252).

Almost surely, 2^40680753 is an apocalyptic number.

It is an amenable number.

40680753 is a deficient number, since it is larger than the sum of its proper divisors (13560255).

40680753 is a wasteful number, since it uses less digits than its factorization.

40680753 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13560254.

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 40680753 is about 6378.1465176021. The cubic root of 40680753 is about 343.9244048104.

The spelling of 40680753 in words is "forty million, six hundred eighty thousand, seven hundred fifty-three".