42674742 has 32 divisors (see below), whose sum is σ = 103455360. Its totient is φ = 12931560.

The previous prime is 42674717. The next prime is 42674761. The reversal of 42674742 is 24747624.

It is a happy number.

It is a super-2 number, since 2×42674742² = 3642267209533128, 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 junction number, because it is equal to n+sod(n) for n = 42674697 and 42674706.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35328 + ... + 36515.

It is an arithmetic number, because the mean of its divisors is an integer number (3232980).

Almost surely, 2^42674742 is an apocalyptic number.

42674742 is an abundant number, since it is smaller than the sum of its proper divisors (60780618).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42674742 is a wasteful number, since it uses less digits than its factorization.

42674742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71865 (or 71859 counting only the distinct ones).

The product of its digits is 75264, while the sum is 36.

The square root of 42674742 is about 6532.5907571193. The cubic root of 42674742 is about 349.4542296709.

It can be divided in two parts, 4267 and 4742, that added together give a palindrome (9009).

The spelling of 42674742 in words is "forty-two million, six hundred seventy-four thousand, seven hundred forty-two".