40725827 has 2 divisors, whose sum is σ = 40725828. Its totient is φ = 40725826.

The previous prime is 40725823. The next prime is 40725851. The reversal of 40725827 is 72852704.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40725827 - 2² = 40725823 is a prime.

It is not a weakly prime, because it can be changed into another prime (40725823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20362913 + 20362914.

It is an arithmetic number, because the mean of its divisors is an integer number (20362914).

Almost surely, 2^40725827 is an apocalyptic number.

40725827 is a deficient number, since it is larger than the sum of its proper divisors (1).

40725827 is an equidigital number, since it uses as much as digits as its factorization.

40725827 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31360, while the sum is 35.

The square root of 40725827 is about 6381.6790110440. The cubic root of 40725827 is about 344.0513798999.

The spelling of 40725827 in words is "forty million, seven hundred twenty-five thousand, eight hundred twenty-seven".