34121742 has 16 divisors (see below), whose sum is σ = 71210880. Its totient is φ = 10879352.

The previous prime is 34121729. The next prime is 34121743. The reversal of 34121742 is 24712143.

It is a happy number.

It is a super-2 number, since 2×34121742² = 2328586554229128, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34121743) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 123492 + ... + 123767.

It is an arithmetic number, because the mean of its divisors is an integer number (4450680).

Almost surely, 2^34121742 is an apocalyptic number.

34121742 is an abundant number, since it is smaller than the sum of its proper divisors (37089138).

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

34121742 is a wasteful number, since it uses less digits than its factorization.

34121742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247287.

The product of its digits is 1344, while the sum is 24.

The square root of 34121742 is about 5841.3818570609. The cubic root of 34121742 is about 324.3473830906.

Adding to 34121742 its reverse (24712143), we get a palindrome (58833885).

The spelling of 34121742 in words is "thirty-four million, one hundred twenty-one thousand, seven hundred forty-two".