40872770 has 8 divisors (see below), whose sum is σ = 73571004. Its totient is φ = 16349104.

The previous prime is 40872763. The next prime is 40872779. The reversal of 40872770 is 7727804.

It can be written as a sum of positive squares in 2 ways, for example, as 40844881 + 27889 = 6391^2 + 167^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 40872770.

It is not an unprimeable number, because it can be changed into a prime (40872779) 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, 2043629 + ... + 2043648.

Almost surely, 2^40872770 is an apocalyptic number.

40872770 is a deficient number, since it is larger than the sum of its proper divisors (32698234).

40872770 is a wasteful number, since it uses less digits than its factorization.

40872770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4087284.

The product of its (nonzero) digits is 21952, while the sum is 35.

The square root of 40872770 is about 6393.1815240927. The cubic root of 40872770 is about 344.4646742271.

The spelling of 40872770 in words is "forty million, eight hundred seventy-two thousand, seven hundred seventy".