40695797 has 4 divisors (see below), whose sum is σ = 40909056. Its totient is φ = 40482540.

The previous prime is 40695793. The next prime is 40695817. The reversal of 40695797 is 79759604.

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 40695797 - 2² = 40695793 is a prime.

It is a super-2 number, since 2×40695797² = 3312295786930418, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40695791) 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, 106343 + ... + 106724.

It is an arithmetic number, because the mean of its divisors is an integer number (10227264).

Almost surely, 2^40695797 is an apocalyptic number.

It is an amenable number.

40695797 is a deficient number, since it is larger than the sum of its proper divisors (213259).

40695797 is a wasteful number, since it uses less digits than its factorization.

40695797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213258.

The product of its (nonzero) digits is 476280, while the sum is 47.

The square root of 40695797 is about 6379.3257480709. The cubic root of 40695797 is about 343.9667947262.

The spelling of 40695797 in words is "forty million, six hundred ninety-five thousand, seven hundred ninety-seven".