720484751 has 8 divisors (see below), whose sum is σ = 827592480. Its totient is φ = 614422368.

The previous prime is 720484747. The next prime is 720484777. The reversal of 720484751 is 157484027.

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

It is not a de Polignac number, because 720484751 - 2² = 720484747 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 (720484711) 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, 259856 + ... + 262613.

It is an arithmetic number, because the mean of its divisors is an integer number (103449060).

Almost surely, 2^720484751 is an apocalyptic number.

720484751 is a deficient number, since it is larger than the sum of its proper divisors (107107729).

720484751 is a wasteful number, since it uses less digits than its factorization.

720484751 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 522673.

The product of its (nonzero) digits is 62720, while the sum is 38.

The square root of 720484751 is about 26841.8470117092. The cubic root of 720484751 is about 896.4820491344.

The spelling of 720484751 in words is "seven hundred twenty million, four hundred eighty-four thousand, seven hundred fifty-one".