40692970 has 32 divisors (see below), whose sum is σ = 75992400. Its totient is φ = 15676416.

The previous prime is 40692961. The next prime is 40692983. The reversal of 40692970 is 7929604.

It can be written as a sum of positive squares in 8 ways, for example, as 26697889 + 13995081 = 5167^2 + 3741^2 .

It is a super-3 number, since 3×40692970³ (a number of 24 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39826 + ... + 40834.

Almost surely, 2^40692970 is an apocalyptic number.

40692970 is a deficient number, since it is larger than the sum of its proper divisors (35299430).

40692970 is a wasteful number, since it uses less digits than its factorization.

40692970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1162.

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 40692970 is about 6379.1041690821. The cubic root of 40692970 is about 343.9588298034.

The spelling of 40692970 in words is "forty million, six hundred ninety-two thousand, nine hundred seventy".