34101720 has 48 divisors (see below), whose sum is σ = 110831760. Its totient is φ = 9093696.

The previous prime is 34101703. The next prime is 34101721. The reversal of 34101720 is 2710143.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 34101693 and 34101702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34101721) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 47004 + ... + 47723.

It is an arithmetic number, because the mean of its divisors is an integer number (2308995).

Almost surely, 2^34101720 is an apocalyptic number.

34101720 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

34101720 is an abundant number, since it is smaller than the sum of its proper divisors (76730040).

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

34101720 is a wasteful number, since it uses less digits than its factorization.

34101720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94744 (or 94737 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 18.

The square root of 34101720 is about 5839.6677987707. The cubic root of 34101720 is about 324.2839303521.

Adding to 34101720 its reverse (2710143), we get a palindrome (36811863).

The spelling of 34101720 in words is "thirty-four million, one hundred one thousand, seven hundred twenty".