720407698 has 8 divisors (see below), whose sum is σ = 1115470080. Its totient is φ = 348584340.

The previous prime is 720407689. The next prime is 720407707. The reversal of 720407698 is 896704027.

It is an interprime number because it is at equal distance from previous prime (720407689) and next prime (720407707).

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5809678 + ... + 5809801.

It is an arithmetic number, because the mean of its divisors is an integer number (139433760).

Almost surely, 2^720407698 is an apocalyptic number.

720407698 is a deficient number, since it is larger than the sum of its proper divisors (395062382).

720407698 is a wasteful number, since it uses less digits than its factorization.

720407698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11619512.

The product of its (nonzero) digits is 169344, while the sum is 43.

The square root of 720407698 is about 26840.4116585421. The cubic root of 720407698 is about 896.4500895897.

The spelling of 720407698 in words is "seven hundred twenty million, four hundred seven thousand, six hundred ninety-eight".