42674823 has 16 divisors (see below), whose sum is σ = 63852000. Its totient is φ = 28166400.

The previous prime is 42674783. The next prime is 42674833. The reversal of 42674823 is 32847624.

It is not a de Polignac number, because 42674823 - 2¹⁸ = 42412679 is a prime.

It is a super-2 number, since 2×42674823² = 3642281036162658, which contains 22 as substring.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42674833) 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, 5098 + ... + 10551.

It is an arithmetic number, because the mean of its divisors is an integer number (3990750).

Almost surely, 2^42674823 is an apocalyptic number.

42674823 is a deficient number, since it is larger than the sum of its proper divisors (21177177).

42674823 is a wasteful number, since it uses less digits than its factorization.

42674823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15759 (or 15753 counting only the distinct ones).

The product of its digits is 64512, while the sum is 36.

The square root of 42674823 is about 6532.5969568006. The cubic root of 42674823 is about 349.4544507679.

The spelling of 42674823 in words is "forty-two million, six hundred seventy-four thousand, eight hundred twenty-three".