720476893 has 8 divisors (see below), whose sum is σ = 726818400. Its totient is φ = 714152208.

The previous prime is 720476879. The next prime is 720476923. The reversal of 720476893 is 398674027.

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 720476893 - 2⁹ = 720476381 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (720476803) 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, 91143 + ... + 98731.

It is an arithmetic number, because the mean of its divisors is an integer number (90852300).

Almost surely, 2^720476893 is an apocalyptic number.

It is an amenable number.

720476893 is a deficient number, since it is larger than the sum of its proper divisors (6341507).

720476893 is a wasteful number, since it uses less digits than its factorization.

720476893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8411.

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

The square root of 720476893 is about 26841.7006353919. The cubic root of 720476893 is about 896.4787899484.

The spelling of 720476893 in words is "seven hundred twenty million, four hundred seventy-six thousand, eight hundred ninety-three".