40070707 has 2 divisors, whose sum is σ = 40070708. Its totient is φ = 40070706.

The previous prime is 40070633. The next prime is 40070713. The reversal of 40070707 is 70707004.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40070707 - 2¹¹ = 40068659 is a prime.

It is not a weakly prime, because it can be changed into another prime (40070777) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20035353 + 20035354.

It is an arithmetic number, because the mean of its divisors is an integer number (20035354).

Almost surely, 2^40070707 is an apocalyptic number.

40070707 is a deficient number, since it is larger than the sum of its proper divisors (1).

40070707 is an equidigital number, since it uses as much as digits as its factorization.

40070707 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1372, while the sum is 25.

The square root of 40070707 is about 6330.1427314082. The cubic root of 40070707 is about 342.1965828313.

The spelling of 40070707 in words is "forty million, seventy thousand, seven hundred seven".