42470099 has 4 divisors (see below), whose sum is σ = 48537264. Its totient is φ = 36402936.

The previous prime is 42470089. The next prime is 42470101. The reversal of 42470099 is 99007424.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42470099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42470009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3033572 + ... + 3033585.

It is an arithmetic number, because the mean of its divisors is an integer number (12134316).

Almost surely, 2^42470099 is an apocalyptic number.

42470099 is a deficient number, since it is larger than the sum of its proper divisors (6067165).

42470099 is an equidigital number, since it uses as much as digits as its factorization.

42470099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6067164.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 42470099 is about 6516.9086996827. The cubic root of 42470099 is about 348.8947419731.

The spelling of 42470099 in words is "forty-two million, four hundred seventy thousand, ninety-nine".