42648698 has 8 divisors (see below), whose sum is σ = 64163892. Its totient is φ = 21260736.

The previous prime is 42648691. The next prime is 42648701. The reversal of 42648698 is 89684624.

It can be written as a sum of positive squares in 2 ways, for example, as 34656769 + 7991929 = 5887^2 + 2827^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×42648698² = 3637822882190408, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (42648691) 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, 30965 + ... + 32312.

Almost surely, 2^42648698 is an apocalyptic number.

42648698 is a deficient number, since it is larger than the sum of its proper divisors (21515194).

42648698 is a wasteful number, since it uses less digits than its factorization.

42648698 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63616.

The product of its digits is 663552, while the sum is 47.

The square root of 42648698 is about 6530.5970630563. The cubic root of 42648698 is about 349.3831256437.

The spelling of 42648698 in words is "forty-two million, six hundred forty-eight thousand, six hundred ninety-eight".