42974707 has 4 divisors (see below), whose sum is σ = 42987880. Its totient is φ = 42961536.

The previous prime is 42974699. The next prime is 42974719. The reversal of 42974707 is 70747924.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 42974707 - 2³ = 42974699 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42974707.

It is not an unprimeable number, because it can be changed into a prime (42974747) 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, 2344 + ... + 9562.

It is an arithmetic number, because the mean of its divisors is an integer number (10746970).

Almost surely, 2^42974707 is an apocalyptic number.

42974707 is a deficient number, since it is larger than the sum of its proper divisors (13173).

42974707 is an equidigital number, since it uses as much as digits as its factorization.

42974707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13172.

The product of its (nonzero) digits is 98784, while the sum is 40.

The square root of 42974707 is about 6555.5096674477. The cubic root of 42974707 is about 350.2711015217.

It can be divided in two parts, 42974 and 707, that added together give a square (43681 = 209²).

The spelling of 42974707 in words is "forty-two million, nine hundred seventy-four thousand, seven hundred seven".