40675787 has 2 divisors, whose sum is σ = 40675788. Its totient is φ = 40675786.

The previous prime is 40675783. The next prime is 40675793. The reversal of 40675787 is 78757604.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40675787 - 2² = 40675783 is a prime.

It is not a weakly prime, because it can be changed into another prime (40675783) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20337893 + 20337894.

It is an arithmetic number, because the mean of its divisors is an integer number (20337894).

Almost surely, 2^40675787 is an apocalyptic number.

40675787 is a deficient number, since it is larger than the sum of its proper divisors (1).

40675787 is an equidigital number, since it uses as much as digits as its factorization.

40675787 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 329280, while the sum is 44.

The square root of 40675787 is about 6377.7572076710. The cubic root of 40675787 is about 343.9104096737.

The spelling of 40675787 in words is "forty million, six hundred seventy-five thousand, seven hundred eighty-seven".