682728915 has 16 divisors (see below), whose sum is σ = 1191672576. Its totient is φ = 331020000.

The previous prime is 682728887. The next prime is 682728929. The reversal of 682728915 is 519827286.

It is not a de Polignac number, because 682728915 - 2¹⁷ = 682597843 is a prime.

It is a super-2 number, since 2×682728915² = 932237542754154450, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2068711 + ... + 2069040.

It is an arithmetic number, because the mean of its divisors is an integer number (74479536).

Almost surely, 2^682728915 is an apocalyptic number.

682728915 is a deficient number, since it is larger than the sum of its proper divisors (508943661).

682728915 is a wasteful number, since it uses less digits than its factorization.

682728915 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4137770.

The product of its digits is 483840, while the sum is 48.

The square root of 682728915 is about 26129.0817863927. The cubic root of 682728915 is about 880.5406951767.

The spelling of 682728915 in words is "six hundred eighty-two million, seven hundred twenty-eight thousand, nine hundred fifteen".