722012961 has 8 divisors (see below), whose sum is σ = 963112960. Its totient is φ = 481127472.

The previous prime is 722012959. The next prime is 722012981. The reversal of 722012961 is 169210227.

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

It is not a de Polignac number, because 722012961 - 2¹ = 722012959 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (722012981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45601 + ... + 59358.

It is an arithmetic number, because the mean of its divisors is an integer number (120389120).

Almost surely, 2^722012961 is an apocalyptic number.

It is an amenable number.

722012961 is a deficient number, since it is larger than the sum of its proper divisors (241099999).

722012961 is a wasteful number, since it uses less digits than its factorization.

722012961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107255.

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 722012961 is about 26870.2988632430. The cubic root of 722012961 is about 897.1154399786.

The spelling of 722012961 in words is "seven hundred twenty-two million, twelve thousand, nine hundred sixty-one".