40572787 has 2 divisors, whose sum is σ = 40572788. Its totient is φ = 40572786.

The previous prime is 40572773. The next prime is 40572799. The reversal of 40572787 is 78727504.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40572787 - 2¹⁹ = 40048499 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (40572187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20286393 + 20286394.

It is an arithmetic number, because the mean of its divisors is an integer number (20286394).

Almost surely, 2^40572787 is an apocalyptic number.

40572787 is a deficient number, since it is larger than the sum of its proper divisors (1).

40572787 is an equidigital number, since it uses as much as digits as its factorization.

40572787 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 109760, while the sum is 40.

The square root of 40572787 is about 6369.6771503743. The cubic root of 40572787 is about 343.6198788170.

The spelling of 40572787 in words is "forty million, five hundred seventy-two thousand, seven hundred eighty-seven".