720079571 has 4 divisors (see below), whose sum is σ = 733666032. Its totient is φ = 706493112.

The previous prime is 720079567. The next prime is 720079583. The reversal of 720079571 is 175970027.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 175970027 = 599 ⋅293773.

It is a cyclic number.

It is not a de Polignac number, because 720079571 - 2² = 720079567 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (720075571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6793151 + ... + 6793256.

It is an arithmetic number, because the mean of its divisors is an integer number (183416508).

Almost surely, 2^720079571 is an apocalyptic number.

720079571 is a deficient number, since it is larger than the sum of its proper divisors (13586461).

720079571 is a wasteful number, since it uses less digits than its factorization.

720079571 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13586460.

The product of its (nonzero) digits is 30870, while the sum is 38.

The square root of 720079571 is about 26834.2984070760. The cubic root of 720079571 is about 896.3139656746.

The spelling of 720079571 in words is "seven hundred twenty million, seventy-nine thousand, five hundred seventy-one".