42276015 has 24 divisors (see below), whose sum is σ = 75261888. Its totient is φ = 21936960.

The previous prime is 42276011. The next prime is 42276019. The reversal of 42276015 is 51067224.

It is an interprime number because it is at equal distance from previous prime (42276011) and next prime (42276019).

It is not a de Polignac number, because 42276015 - 2² = 42276011 is a prime.

It is a super-2 number, since 2×42276015² = 3574522888560450, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 42276015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42276011) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11031 + ... + 14360.

It is an arithmetic number, because the mean of its divisors is an integer number (3135912).

Almost surely, 2^42276015 is an apocalyptic number.

42276015 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

42276015 is a deficient number, since it is larger than the sum of its proper divisors (32985873).

42276015 is a wasteful number, since it uses less digits than its factorization.

42276015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25439 (or 25436 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 42276015 is about 6502.0008458935. Note that the first 3 decimals coincide. The cubic root of 42276015 is about 348.3624592502.

The spelling of 42276015 in words is "forty-two million, two hundred seventy-six thousand, fifteen".