720494828 has 12 divisors (see below), whose sum is σ = 1261664712. Its totient is φ = 360019200.

The previous prime is 720494813. The next prime is 720494837. The reversal of 720494828 is 828494027.

It is a super-2 number, since 2×720494828² = 1038225594349499168, which contains 22 as substring.

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, 49850 + ... + 62657.

It is an arithmetic number, because the mean of its divisors is an integer number (105138726).

Almost surely, 2^720494828 is an apocalyptic number.

It is an amenable number.

720494828 is a deficient number, since it is larger than the sum of its proper divisors (541169884).

720494828 is a wasteful number, since it uses less digits than its factorization.

720494828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114112 (or 114110 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 44.

The square root of 720494828 is about 26842.0347216823. The cubic root of 720494828 is about 896.4862286388.

The spelling of 720494828 in words is "seven hundred twenty million, four hundred ninety-four thousand, eight hundred twenty-eight".