42797698 has 4 divisors (see below), whose sum is σ = 64196550. Its totient is φ = 21398848.

The previous prime is 42797693. The next prime is 42797719. The reversal of 42797698 is 89679724.

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

It can be written as a sum of positive squares in only one way, i.e., 40538689 + 2259009 = 6367^2 + 1503^2 .

It is not an unprimeable number, because it can be changed into a prime (42797693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10699423 + ... + 10699426.

Almost surely, 2^42797698 is an apocalyptic number.

42797698 is a deficient number, since it is larger than the sum of its proper divisors (21398852).

42797698 is a wasteful number, since it uses less digits than its factorization.

42797698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21398851.

The product of its digits is 1524096, while the sum is 52.

The square root of 42797698 is about 6541.9949556691. The cubic root of 42797698 is about 349.7895278800.

The spelling of 42797698 in words is "forty-two million, seven hundred ninety-seven thousand, six hundred ninety-eight".