42847651 has 16 divisors (see below), whose sum is σ = 54667008. Its totient is φ = 32608800.

The previous prime is 42847627. The next prime is 42847657. The reversal of 42847651 is 15674824.

It is not a de Polignac number, because 42847651 - 2¹⁹ = 42323363 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42847651.

It is not an unprimeable number, because it can be changed into a prime (42847657) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3160 + ... + 9781.

It is an arithmetic number, because the mean of its divisors is an integer number (3416688).

Almost surely, 2^42847651 is an apocalyptic number.

42847651 is a deficient number, since it is larger than the sum of its proper divisors (11819357).

42847651 is a wasteful number, since it uses less digits than its factorization.

42847651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13002.

The product of its digits is 53760, while the sum is 37.

The square root of 42847651 is about 6545.8117143713. The cubic root of 42847651 is about 349.9255651234.

It can be divided in two parts, 4284 and 7651, that added together give a triangular number (11935 = T₁₅₄).

The spelling of 42847651 in words is "forty-two million, eight hundred forty-seven thousand, six hundred fifty-one".