34320120 has 32 divisors (see below), whose sum is σ = 102960720. Its totient is φ = 9152000.

The previous prime is 34320107. The next prime is 34320173. The reversal of 34320120 is 2102343.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 34320120.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 142881 + ... + 143120.

Almost surely, 2^34320120 is an apocalyptic number.

34320120 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

34320120 is an abundant number, since it is smaller than the sum of its proper divisors (68640600).

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

34320120 is a wasteful number, since it uses less digits than its factorization.

34320120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286015 (or 286011 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 34320120 is about 5858.3376481729. The cubic root of 34320120 is about 324.9747357087.

Adding to 34320120 its reverse (2102343), we get a palindrome (36422463).

The spelling of 34320120 in words is "thirty-four million, three hundred twenty thousand, one hundred twenty".