34720032 has 48 divisors (see below), whose sum is σ = 91469952. Its totient is φ = 11531520.

The previous prime is 34720027. The next prime is 34720033. The reversal of 34720032 is 23002743.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is a junction number, because it is equal to n+sod(n) for n = 34719990 and 34720008.

It is not an unprimeable number, because it can be changed into a prime (34720033) 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, 37657 + ... + 38567.

It is an arithmetic number, because the mean of its divisors is an integer number (1905624).

Almost surely, 2^34720032 is an apocalyptic number.

34720032 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

34720032 is an abundant number, since it is smaller than the sum of its proper divisors (56749920).

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

34720032 is a wasteful number, since it uses less digits than its factorization.

34720032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1321 (or 1313 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 21.

The square root of 34720032 is about 5892.3706604388. The cubic root of 34720032 is about 326.2321104091.

Adding to 34720032 its reverse (23002743), we get a palindrome (57722775).

The spelling of 34720032 in words is "thirty-four million, seven hundred twenty thousand, thirty-two".