40725863 has 8 divisors (see below), whose sum is σ = 44287632. Its totient is φ = 37293696.

The previous prime is 40725851. The next prime is 40725877. The reversal of 40725863 is 36852704.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40725863 - 2⁶ = 40725799 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 (40725803) 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, 31745 + ... + 33002.

It is an arithmetic number, because the mean of its divisors is an integer number (5535954).

Almost surely, 2^40725863 is an apocalyptic number.

40725863 is a deficient number, since it is larger than the sum of its proper divisors (3561769).

40725863 is a wasteful number, since it uses less digits than its factorization.

40725863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64801.

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 40725863 is about 6381.6818316177. The cubic root of 40725863 is about 344.0514812757.

The spelling of 40725863 in words is "forty million, seven hundred twenty-five thousand, eight hundred sixty-three".