8720034 has 8 divisors (see below), whose sum is σ = 17440080. Its totient is φ = 2906676.

The previous prime is 8720027. The next prime is 8720057. The reversal of 8720034 is 4300278.

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

8720034 is an admirable number.

It is a super-2 number, since 2×8720034² = 152077985922312, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 8719986 and 8720013.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 726664 + ... + 726675.

It is an arithmetic number, because the mean of its divisors is an integer number (2180010).

Almost surely, 2^8720034 is an apocalyptic number.

8720034 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

8720034 is a wasteful number, since it uses less digits than its factorization.

8720034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1453344.

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 8720034 is about 2952.9703689675. The cubic root of 8720034 is about 205.8287608281.

The spelling of 8720034 in words is "eight million, seven hundred twenty thousand, thirty-four".