34721372 has 24 divisors (see below), whose sum is σ = 69600384. Its totient is φ = 14846832.

The previous prime is 34721359. The next prime is 34721377. The reversal of 34721372 is 27312743.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34721377) 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, 14183 + ... + 16449.

It is an arithmetic number, because the mean of its divisors is an integer number (2900016).

Almost surely, 2^34721372 is an apocalyptic number.

It is an amenable number.

34721372 is an abundant number, since it is smaller than the sum of its proper divisors (34879012).

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

34721372 is a wasteful number, since it uses less digits than its factorization.

34721372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2825 (or 2823 counting only the distinct ones).

The product of its digits is 7056, while the sum is 29.

The square root of 34721372 is about 5892.4843656984. The cubic root of 34721372 is about 326.2363072697.

The spelling of 34721372 in words is "thirty-four million, seven hundred twenty-one thousand, three hundred seventy-two".