34721274 has 16 divisors (see below), whose sum is σ = 79363008. Its totient is φ = 9920352.

The previous prime is 34721263. The next prime is 34721287. The reversal of 34721274 is 47212743.

It is an alternating number because its digits alternate between odd and even.

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, 413307 + ... + 413390.

It is an arithmetic number, because the mean of its divisors is an integer number (4960188).

Almost surely, 2^34721274 is an apocalyptic number.

34721274 is an abundant number, since it is smaller than the sum of its proper divisors (44641734).

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

34721274 is a wasteful number, since it uses less digits than its factorization.

34721274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 826709.

The product of its digits is 9408, while the sum is 30.

The square root of 34721274 is about 5892.4760500150. The cubic root of 34721274 is about 326.2360003388.

The spelling of 34721274 in words is "thirty-four million, seven hundred twenty-one thousand, two hundred seventy-four".