40722607 has 4 divisors (see below), whose sum is σ = 41823256. Its totient is φ = 39621960.

The previous prime is 40722593. The next prime is 40722631. The reversal of 40722607 is 70622704.

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 40722607 - 2¹⁵ = 40689839 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40722697) 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, 550269 + ... + 550342.

It is an arithmetic number, because the mean of its divisors is an integer number (10455814).

Almost surely, 2^40722607 is an apocalyptic number.

40722607 is a deficient number, since it is larger than the sum of its proper divisors (1100649).

40722607 is a wasteful number, since it uses less digits than its factorization.

40722607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1100648.

The product of its (nonzero) digits is 4704, while the sum is 28.

The square root of 40722607 is about 6381.4267213531. The cubic root of 40722607 is about 344.0423121516.

The spelling of 40722607 in words is "forty million, seven hundred twenty-two thousand, six hundred seven".