42393707 has 2 divisors, whose sum is σ = 42393708. Its totient is φ = 42393706.

The previous prime is 42393653. The next prime is 42393751. The reversal of 42393707 is 70739324.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42393707 - 2⁶ = 42393643 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (42393797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21196853 + 21196854.

It is an arithmetic number, because the mean of its divisors is an integer number (21196854).

Almost surely, 2^42393707 is an apocalyptic number.

42393707 is a deficient number, since it is larger than the sum of its proper divisors (1).

42393707 is an equidigital number, since it uses as much as digits as its factorization.

42393707 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31752, while the sum is 35.

The square root of 42393707 is about 6511.0450006124. The cubic root of 42393707 is about 348.6854279375.

The spelling of 42393707 in words is "forty-two million, three hundred ninety-three thousand, seven hundred seven".