40764007 has 2 divisors, whose sum is σ = 40764008. Its totient is φ = 40764006.

The previous prime is 40763999. The next prime is 40764019. The reversal of 40764007 is 70046704.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40764007 - 2³ = 40763999 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40764067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20382003 + 20382004.

It is an arithmetic number, because the mean of its divisors is an integer number (20382004).

Almost surely, 2^40764007 is an apocalyptic number.

40764007 is a deficient number, since it is larger than the sum of its proper divisors (1).

40764007 is an equidigital number, since it uses as much as digits as its factorization.

40764007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4704, while the sum is 28.

The square root of 40764007 is about 6384.6696860527. The cubic root of 40764007 is about 344.1588610723.

The spelling of 40764007 in words is "forty million, seven hundred sixty-four thousand, seven".