40700709 has 24 divisors (see below), whose sum is σ = 67816320. Its totient is φ = 23040288.

The previous prime is 40700707. The next prime is 40700719. The reversal of 40700709 is 90700704.

It is not a de Polignac number, because 40700709 - 2¹ = 40700707 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40700707) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3904 + ... + 9830.

It is an arithmetic number, because the mean of its divisors is an integer number (2825680).

Almost surely, 2^40700709 is an apocalyptic number.

It is an amenable number.

40700709 is a deficient number, since it is larger than the sum of its proper divisors (27115611).

40700709 is a wasteful number, since it uses less digits than its factorization.

40700709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6049 (or 6046 counting only the distinct ones).

The product of its (nonzero) digits is 1764, while the sum is 27.

The square root of 40700709 is about 6379.7107301194. The cubic root of 40700709 is about 343.9806331489.

The spelling of 40700709 in words is "forty million, seven hundred thousand, seven hundred nine".