40730567 has 2 divisors, whose sum is σ = 40730568. Its totient is φ = 40730566.

The previous prime is 40730563. The next prime is 40730581. The reversal of 40730567 is 76503704.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40730567 - 2² = 40730563 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40730561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20365283 + 20365284.

It is an arithmetic number, because the mean of its divisors is an integer number (20365284).

Almost surely, 2^40730567 is an apocalyptic number.

40730567 is a deficient number, since it is larger than the sum of its proper divisors (1).

40730567 is an equidigital number, since it uses as much as digits as its factorization.

40730567 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17640, while the sum is 32.

The square root of 40730567 is about 6382.0503758588. The cubic root of 40730567 is about 344.0647272063.

The spelling of 40730567 in words is "forty million, seven hundred thirty thousand, five hundred sixty-seven".