40870769 has 4 divisors (see below), whose sum is σ = 41821296. Its totient is φ = 39920244.

The previous prime is 40870757. The next prime is 40870807. The reversal of 40870769 is 96707804.

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 40870769 - 2⁸ = 40870513 is a prime.

It is a super-2 number, since 2×40870769² = 3340839517302722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40870069) 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, 475199 + ... + 475284.

It is an arithmetic number, because the mean of its divisors is an integer number (10455324).

Almost surely, 2^40870769 is an apocalyptic number.

It is an amenable number.

40870769 is a deficient number, since it is larger than the sum of its proper divisors (950527).

40870769 is an equidigital number, since it uses as much as digits as its factorization.

40870769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 950526.

The product of its (nonzero) digits is 84672, while the sum is 41.

The square root of 40870769 is about 6393.0250273247. The cubic root of 40870769 is about 344.4590528394.

The spelling of 40870769 in words is "forty million, eight hundred seventy thousand, seven hundred sixty-nine".