42276915 has 12 divisors (see below), whose sum is σ = 73280064. Its totient is φ = 22547664.

The previous prime is 42276911. The next prime is 42276931. The reversal of 42276915 is 51967224.

It is not a de Polignac number, because 42276915 - 2² = 42276911 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42276915.

It is not an unprimeable number, because it can be changed into a prime (42276911) 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, 469699 + ... + 469788.

It is an arithmetic number, because the mean of its divisors is an integer number (6106672).

Almost surely, 2^42276915 is an apocalyptic number.

42276915 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

42276915 is a deficient number, since it is larger than the sum of its proper divisors (31003149).

42276915 is a wasteful number, since it uses less digits than its factorization.

42276915 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 939498 (or 939495 counting only the distinct ones).

The product of its digits is 30240, while the sum is 36.

The square root of 42276915 is about 6502.0700549902. The cubic root of 42276915 is about 348.3649312901.

The spelling of 42276915 in words is "forty-two million, two hundred seventy-six thousand, nine hundred fifteen".