40707070 has 16 divisors (see below), whose sum is σ = 73389888. Its totient is φ = 16256800.

The previous prime is 40707059. The next prime is 40707077. The reversal of 40707070 is 7070704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40707077) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4107 + ... + 9913.

It is an arithmetic number, because the mean of its divisors is an integer number (4586868).

Almost surely, 2^40707070 is an apocalyptic number.

40707070 is a deficient number, since it is larger than the sum of its proper divisors (32682818).

40707070 is a wasteful number, since it uses less digits than its factorization.

40707070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6515.

The product of its (nonzero) digits is 1372, while the sum is 25.

The square root of 40707070 is about 6380.2092442176. The cubic root of 40707070 is about 343.9985521392.

Adding to 40707070 its reverse (7070704), we get a palindrome (47777774).

The spelling of 40707070 in words is "forty million, seven hundred seven thousand, seventy".