42827715 has 36 divisors (see below), whose sum is σ = 86359104. Its totient is φ = 19577376.

The previous prime is 42827711. The next prime is 42827723. The reversal of 42827715 is 51772824.

It is not a de Polignac number, because 42827715 - 2² = 42827711 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42827715.

It is not an unprimeable number, because it can be changed into a prime (42827711) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 7507 + ... + 11916.

It is an arithmetic number, because the mean of its divisors is an integer number (2398864).

Almost surely, 2^42827715 is an apocalyptic number.

42827715 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

42827715 is an abundant number, since it is smaller than the sum of its proper divisors (43531389).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42827715 is a wasteful number, since it uses less digits than its factorization.

42827715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19448 (or 19438 counting only the distinct ones).

The product of its digits is 31360, while the sum is 36.

The square root of 42827715 is about 6544.2887314054. The cubic root of 42827715 is about 349.8712860040.

The spelling of 42827715 in words is "forty-two million, eight hundred twenty-seven thousand, seven hundred fifteen".