42470897 has 12 divisors (see below), whose sum is σ = 49521600. Its totient is φ = 36317736.

The previous prime is 42470893. The next prime is 42470921. The reversal of 42470897 is 79807424.

It is not a de Polignac number, because 42470897 - 2² = 42470893 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42470891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28628 + ... + 30074.

It is an arithmetic number, because the mean of its divisors is an integer number (4126800).

Almost surely, 2^42470897 is an apocalyptic number.

It is an amenable number.

42470897 is a deficient number, since it is larger than the sum of its proper divisors (7050703).

42470897 is a wasteful number, since it uses less digits than its factorization.

42470897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2060 (or 2053 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 41.

The square root of 42470897 is about 6516.9699247426. The cubic root of 42470897 is about 348.8969271674.

The spelling of 42470897 in words is "forty-two million, four hundred seventy thousand, eight hundred ninety-seven".