42634746 has 96 divisors (see below), whose sum is σ = 121305600. Its totient is φ = 10484640.

The previous prime is 42634729. The next prime is 42634751. The reversal of 42634746 is 64743624.

It is a self number, because there is not a number n which added to its sum of digits gives 42634746.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 25525 + ... + 27143.

It is an arithmetic number, because the mean of its divisors is an integer number (1263600).

Almost surely, 2^42634746 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42634746, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60652800).

42634746 is an abundant number, since it is smaller than the sum of its proper divisors (78670854).

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

42634746 is a wasteful number, since it uses less digits than its factorization.

42634746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1664 (or 1661 counting only the distinct ones).

The product of its digits is 96768, while the sum is 36.

The square root of 42634746 is about 6529.5287731964. The cubic root of 42634746 is about 349.3450226828.

It can be divided in two parts, 4263 and 4746, that added together give a palindrome (9009).

The spelling of 42634746 in words is "forty-two million, six hundred thirty-four thousand, seven hundred forty-six".