42265870 has 16 divisors (see below), whose sum is σ = 76636368. Its totient is φ = 16782400.

The previous prime is 42265849. The next prime is 42265891. The reversal of 42265870 is 7856224.

It is an interprime number because it is at equal distance from previous prime (42265849) and next prime (42265891).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14056 + ... + 16795.

It is an arithmetic number, because the mean of its divisors is an integer number (4789773).

Almost surely, 2^42265870 is an apocalyptic number.

42265870 is a deficient number, since it is larger than the sum of its proper divisors (34370498).

42265870 is a wasteful number, since it uses less digits than its factorization.

42265870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30995.

The product of its (nonzero) digits is 26880, while the sum is 34.

The square root of 42265870 is about 6501.2206546156. The cubic root of 42265870 is about 348.3345914400.

The spelling of 42265870 in words is "forty-two million, two hundred sixty-five thousand, eight hundred seventy".