42648693 has 16 divisors (see below), whose sum is σ = 60604416. Its totient is φ = 26615600.

The previous prime is 42648691. The next prime is 42648701. The reversal of 42648693 is 39684624.

It is a happy number.

It is not a de Polignac number, because 42648693 - 2¹ = 42648691 is a prime.

It is a super-2 number, since 2×42648693² = 3637822029216498, which contains 22 as substring.

It is a congruent 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 15 ways as a sum of consecutive naturals, for example, 3333 + ... + 9818.

It is an arithmetic number, because the mean of its divisors is an integer number (3787776).

Almost surely, 2^42648693 is an apocalyptic number.

It is an amenable number.

42648693 is a deficient number, since it is larger than the sum of its proper divisors (17955723).

42648693 is a wasteful number, since it uses less digits than its factorization.

42648693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13224.

The product of its digits is 248832, while the sum is 42.

The square root of 42648693 is about 6530.5966802429. The cubic root of 42648693 is about 349.3831119902.

The spelling of 42648693 in words is "forty-two million, six hundred forty-eight thousand, six hundred ninety-three".