34721532 has 36 divisors (see below), whose sum is σ = 89640096. Its totient is φ = 11327040.

The previous prime is 34721521. The next prime is 34721537. The reversal of 34721532 is 23512743.

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 34721496 and 34721505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34721537) 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, 8569 + ... + 11952.

Almost surely, 2^34721532 is an apocalyptic number.

It is an amenable number.

34721532 is an abundant number, since it is smaller than the sum of its proper divisors (54918564).

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

34721532 is a wasteful number, since it uses less digits than its factorization.

34721532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20578 (or 20573 counting only the distinct ones).

The product of its digits is 5040, while the sum is 27.

The square root of 34721532 is about 5892.4979422992. The cubic root of 34721532 is about 326.2368083802.

It can be divided in two parts, 34721 and 532, that added together give a palindrome (35253).

The spelling of 34721532 in words is "thirty-four million, seven hundred twenty-one thousand, five hundred thirty-two".