40213707 has 4 divisors (see below), whose sum is σ = 53618280. Its totient is φ = 26809136.

The previous prime is 40213681. The next prime is 40213753. The reversal of 40213707 is 70731204.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40213707 - 2¹⁴ = 40197323 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40213757) 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, 6702282 + ... + 6702287.

It is an arithmetic number, because the mean of its divisors is an integer number (13404570).

Almost surely, 2^40213707 is an apocalyptic number.

40213707 is a deficient number, since it is larger than the sum of its proper divisors (13404573).

40213707 is a wasteful number, since it uses less digits than its factorization.

40213707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13404572.

The product of its (nonzero) digits is 1176, while the sum is 24.

The square root of 40213707 is about 6341.4278360634. The cubic root of 40213707 is about 342.6031642627.

The spelling of 40213707 in words is "forty million, two hundred thirteen thousand, seven hundred seven".