720106061 has 8 divisors (see below), whose sum is σ = 759638880. Its totient is φ = 680736528.

The previous prime is 720106021. The next prime is 720106067. The reversal of 720106061 is 160601027.

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 720106061 - 2¹⁰ = 720105037 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 (720106067) 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, 31706 + ... + 49451.

It is an arithmetic number, because the mean of its divisors is an integer number (94954860).

Almost surely, 2^720106061 is an apocalyptic number.

It is an amenable number.

720106061 is a deficient number, since it is larger than the sum of its proper divisors (39532819).

720106061 is a wasteful number, since it uses less digits than its factorization.

720106061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81643.

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 720106061 is about 26834.7919872691. The cubic root of 720106061 is about 896.3249566200.

Adding to 720106061 its reverse (160601027), we get a palindrome (880707088).

The spelling of 720106061 in words is "seven hundred twenty million, one hundred six thousand, sixty-one".