42497433 has 64 divisors (see below), whose sum is σ = 76723200. Its totient is φ = 22913280.

The previous prime is 42497417. The next prime is 42497453. The reversal of 42497433 is 33479424.

It is not a de Polignac number, because 42497433 - 2⁴ = 42497417 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42497453) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 95710 + ... + 96152.

It is an arithmetic number, because the mean of its divisors is an integer number (1198800).

Almost surely, 2^42497433 is an apocalyptic number.

It is an amenable number.

42497433 is a deficient number, since it is larger than the sum of its proper divisors (34225767).

42497433 is a wasteful number, since it uses less digits than its factorization.

42497433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 499 (or 493 counting only the distinct ones).

The product of its digits is 72576, while the sum is 36.

The square root of 42497433 is about 6519.0055223170. The cubic root of 42497433 is about 348.9695761417.

Subtracting from 42497433 its reverse (33479424), we obtain a square (9018009 = 3003²).

The spelling of 42497433 in words is "forty-two million, four hundred ninety-seven thousand, four hundred thirty-three".