42403707 has 12 divisors (see below), whose sum is σ = 61316424. Its totient is φ = 28238400.

The previous prime is 42403693. The next prime is 42403741. The reversal of 42403707 is 70730424.

It is not a de Polignac number, because 42403707 - 2⁶ = 42403643 is a prime.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (42403607) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8848 + ... + 12770.

It is an arithmetic number, because the mean of its divisors is an integer number (5109702).

Almost surely, 2^42403707 is an apocalyptic number.

42403707 is a deficient number, since it is larger than the sum of its proper divisors (18912717).

42403707 is a wasteful number, since it uses less digits than its factorization.

42403707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5130 (or 5127 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 27.

The square root of 42403707 is about 6511.8128812183. The cubic root of 42403707 is about 348.7128422276.

The spelling of 42403707 in words is "forty-two million, four hundred three thousand, seven hundred seven".