720747022 has 8 divisors (see below), whose sum is σ = 1091039400. Its totient is φ = 357067224.

The previous prime is 720746963. The next prime is 720747023. The reversal of 720747022 is 220747027.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (720747023) 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, 1652872 + ... + 1653307.

It is an arithmetic number, because the mean of its divisors is an integer number (136379925).

Almost surely, 2^720747022 is an apocalyptic number.

720747022 is a deficient number, since it is larger than the sum of its proper divisors (370292378).

720747022 is a wasteful number, since it uses less digits than its factorization.

720747022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3306290.

The product of its (nonzero) digits is 10976, while the sum is 31.

The square root of 720747022 is about 26846.7320543861. The cubic root of 720747022 is about 896.5908151281.

The spelling of 720747022 in words is "seven hundred twenty million, seven hundred forty-seven thousand, twenty-two".