720672571 has 8 divisors (see below), whose sum is σ = 731507760. Its totient is φ = 709863552.

The previous prime is 720672559. The next prime is 720672583. The reversal of 720672571 is 175276027.

It is an interprime number because it is at equal distance from previous prime (720672559) and next prime (720672583).

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 720672571 - 2⁷ = 720672443 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 720672571.

It is not an unprimeable number, because it can be changed into a prime (720672521) 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, 52956 + ... + 65158.

It is an arithmetic number, because the mean of its divisors is an integer number (91438470).

Almost surely, 2^720672571 is an apocalyptic number.

720672571 is a deficient number, since it is larger than the sum of its proper divisors (10835189).

720672571 is a wasteful number, since it uses less digits than its factorization.

720672571 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13085.

The product of its (nonzero) digits is 41160, while the sum is 37.

The square root of 720672571 is about 26845.3454252315. The cubic root of 720672571 is about 896.5599423534.

The spelling of 720672571 in words is "seven hundred twenty million, six hundred seventy-two thousand, five hundred seventy-one".