40725207 has 16 divisors (see below), whose sum is σ = 60436480. Its totient is φ = 27103896.

The previous prime is 40725187. The next prime is 40725221. The reversal of 40725207 is 70252704.

40725207 is a `hidden beast` number, since 407 + 252 + 0 + 7 = 666.

It is not a de Polignac number, because 40725207 - 2⁶ = 40725143 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a zygodrome in base 3.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40725107) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23658 + ... + 25320.

It is an arithmetic number, because the mean of its divisors is an integer number (3777280).

Almost surely, 2^40725207 is an apocalyptic number.

40725207 is a deficient number, since it is larger than the sum of its proper divisors (19711273).

40725207 is a wasteful number, since it uses less digits than its factorization.

40725207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2579 (or 2573 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 27.

The square root of 40725207 is about 6381.6304343013. The cubic root of 40725207 is about 344.0496339731.

The spelling of 40725207 in words is "forty million, seven hundred twenty-five thousand, two hundred seven".