34644742 has 24 divisors (see below), whose sum is σ = 60233400. Its totient is φ = 14818560.

The previous prime is 34644737. The next prime is 34644751. The reversal of 34644742 is 24744643.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a junction number, because it is equal to n+sod(n) for n = 34644698 and 34644707.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3634 + ... + 9082.

It is an arithmetic number, because the mean of its divisors is an integer number (2509725).

Almost surely, 2^34644742 is an apocalyptic number.

34644742 is a deficient number, since it is larger than the sum of its proper divisors (25588658).

34644742 is a wasteful number, since it uses less digits than its factorization.

34644742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5496 (or 5479 counting only the distinct ones).

The product of its digits is 64512, while the sum is 34.

The square root of 34644742 is about 5885.9784233380. The cubic root of 34644742 is about 325.9961295286.

Subtracting from 34644742 its reverse (24744643), we obtain a palindrome (9900099).

The spelling of 34644742 in words is "thirty-four million, six hundred forty-four thousand, seven hundred forty-two".