42735297 has 24 divisors (see below), whose sum is σ = 66046752. Its totient is φ = 24371200.

The previous prime is 42735281. The next prime is 42735317. The reversal of 42735297 is 79253724.

It is not a de Polignac number, because 42735297 - 2⁴ = 42735281 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42735257) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7297 + ... + 11777.

It is an arithmetic number, because the mean of its divisors is an integer number (2751948).

Almost surely, 2^42735297 is an apocalyptic number.

It is an amenable number.

42735297 is a deficient number, since it is larger than the sum of its proper divisors (23311455).

42735297 is a wasteful number, since it uses less digits than its factorization.

42735297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4529 (or 4512 counting only the distinct ones).

The product of its digits is 105840, while the sum is 39.

The square root of 42735297 is about 6537.2239521069. The cubic root of 42735297 is about 349.6194421486.

The spelling of 42735297 in words is "forty-two million, seven hundred thirty-five thousand, two hundred ninety-seven".