722680780 has 24 divisors (see below), whose sum is σ = 1525501152. Its totient is φ = 287572992.

The previous prime is 722680759. The next prime is 722680787. The reversal of 722680780 is 87086227.

722680780 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (722680787) 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, 89752 + ... + 97471.

It is an arithmetic number, because the mean of its divisors is an integer number (63562548).

Almost surely, 2^722680780 is an apocalyptic number.

It is an amenable number.

722680780 is an abundant number, since it is smaller than the sum of its proper divisors (802820372).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

722680780 is a wasteful number, since it uses less digits than its factorization.

722680780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187425 (or 187423 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 40.

The square root of 722680780 is about 26882.7227043691. The cubic root of 722680780 is about 897.3919475342.

The spelling of 722680780 in words is "seven hundred twenty-two million, six hundred eighty thousand, seven hundred eighty".