42796947 has 4 divisors (see below), whose sum is σ = 57062600. Its totient is φ = 28531296.

The previous prime is 42796937. The next prime is 42796961. The reversal of 42796947 is 74969724.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 42796947 - 2²⁴ = 26019731 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42796896 and 42796905.

It is not an unprimeable number, because it can be changed into a prime (42796927) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7132822 + ... + 7132827.

It is an arithmetic number, because the mean of its divisors is an integer number (14265650).

Almost surely, 2^42796947 is an apocalyptic number.

42796947 is a deficient number, since it is larger than the sum of its proper divisors (14265653).

42796947 is a wasteful number, since it uses less digits than its factorization.

42796947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14265652.

The product of its digits is 762048, while the sum is 48.

The square root of 42796947 is about 6541.9375570239. The cubic root of 42796947 is about 349.7874818706.

The spelling of 42796947 in words is "forty-two million, seven hundred ninety-six thousand, nine hundred forty-seven".