34634142 has 20 divisors (see below), whose sum is σ = 77606496. Its totient is φ = 11544660.

The previous prime is 34634129. The next prime is 34634143. The reversal of 34634142 is 24143643.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34634143) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 106734 + ... + 107057.

Almost surely, 2^34634142 is an apocalyptic number.

34634142 is an abundant number, since it is smaller than the sum of its proper divisors (42972354).

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

34634142 is a wasteful number, since it uses less digits than its factorization.

34634142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213805 (or 213796 counting only the distinct ones).

The product of its digits is 6912, while the sum is 27.

The square root of 34634142 is about 5885.0779094248. The cubic root of 34634142 is about 325.9628785815.

Adding to 34634142 its reverse (24143643), we get a palindrome (58777785).

The spelling of 34634142 in words is "thirty-four million, six hundred thirty-four thousand, one hundred forty-two".