40696737 has 4 divisors (see below), whose sum is σ = 54262320. Its totient is φ = 27131156.

The previous prime is 40696717. The next prime is 40696751. The reversal of 40696737 is 73769604.

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 40696737 - 2⁶ = 40696673 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40696717) 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, 6782787 + ... + 6782792.

It is an arithmetic number, because the mean of its divisors is an integer number (13565580).

Almost surely, 2^40696737 is an apocalyptic number.

It is an amenable number.

40696737 is a deficient number, since it is larger than the sum of its proper divisors (13565583).

40696737 is a wasteful number, since it uses less digits than its factorization.

40696737 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13565582.

The product of its (nonzero) digits is 190512, while the sum is 42.

The square root of 40696737 is about 6379.3994231432. The cubic root of 40696737 is about 343.9694430447.

The spelling of 40696737 in words is "forty million, six hundred ninety-six thousand, seven hundred thirty-seven".