720896347 has 8 divisors (see below), whose sum is σ = 761866560. Its totient is φ = 680229000.

The previous prime is 720896327. The next prime is 720896369. The reversal of 720896347 is 743698027.

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 720896347 - 2⁷ = 720896219 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 720896297 and 720896306.

It is not an unprimeable number, because it can be changed into a prime (720896327) 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, 70813 + ... + 80350.

It is an arithmetic number, because the mean of its divisors is an integer number (95233320).

Almost surely, 2^720896347 is an apocalyptic number.

720896347 is a deficient number, since it is larger than the sum of its proper divisors (40970213).

720896347 is a wasteful number, since it uses less digits than its factorization.

720896347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151433.

The product of its (nonzero) digits is 508032, while the sum is 46.

The square root of 720896347 is about 26849.5129750988. The cubic root of 720896347 is about 896.6527296762.

The spelling of 720896347 in words is "seven hundred twenty million, eight hundred ninety-six thousand, three hundred forty-seven".