40696757 has 4 divisors (see below), whose sum is σ = 40714080. Its totient is φ = 40679436.

The previous prime is 40696753. The next prime is 40696819. The reversal of 40696757 is 75769604.

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 40696757 - 2² = 40696753 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 (40696751) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4457 + ... + 10062.

It is an arithmetic number, because the mean of its divisors is an integer number (10178520).

Almost surely, 2^40696757 is an apocalyptic number.

It is an amenable number.

40696757 is a deficient number, since it is larger than the sum of its proper divisors (17323).

40696757 is a wasteful number, since it uses less digits than its factorization.

40696757 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17322.

The product of its (nonzero) digits is 317520, while the sum is 44.

The square root of 40696757 is about 6379.4009906887. The cubic root of 40696757 is about 343.9694993915.

The spelling of 40696757 in words is "forty million, six hundred ninety-six thousand, seven hundred fifty-seven".