34524721 has 8 divisors (see below), whose sum is σ = 43043904. Its totient is φ = 26902320.

The previous prime is 34524713. The next prime is 34524757. The reversal of 34524721 is 12742543.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 34524721 - 2³ = 34524713 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 34524721.

It is not an unprimeable number, because it can be changed into a prime (34524781) 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, 224110 + ... + 224263.

It is an arithmetic number, because the mean of its divisors is an integer number (5380488).

Almost surely, 2^34524721 is an apocalyptic number.

It is an amenable number.

34524721 is a deficient number, since it is larger than the sum of its proper divisors (8519183).

34524721 is a wasteful number, since it uses less digits than its factorization.

34524721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 448391.

The product of its digits is 6720, while the sum is 28.

The square root of 34524721 is about 5875.7740766643. The cubic root of 34524721 is about 325.6192406785.

It can be divided in two parts, 34524 and 721, that added together give a triangular number (35245 = T₂₆₅).

The spelling of 34524721 in words is "thirty-four million, five hundred twenty-four thousand, seven hundred twenty-one".