722066754 has 16 divisors (see below), whose sum is σ = 1444438080. Its totient is φ = 240638160.

The previous prime is 722066713. The next prime is 722066759. The reversal of 722066754 is 457660227.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (722066759) 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, 28332 + ... + 47400.

It is an arithmetic number, because the mean of its divisors is an integer number (90277380).

Almost surely, 2^722066754 is an apocalyptic number.

722066754 is an abundant number, since it is smaller than the sum of its proper divisors (722371326).

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

722066754 is a wasteful number, since it uses less digits than its factorization.

722066754 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25385.

The product of its (nonzero) digits is 141120, while the sum is 39.

The square root of 722066754 is about 26871.2998196961. The cubic root of 722066754 is about 897.1377190488.

The spelling of 722066754 in words is "seven hundred twenty-two million, sixty-six thousand, seven hundred fifty-four".