722782480 has 40 divisors (see below), whose sum is σ = 1920537792. Its totient is φ = 247810944.

The previous prime is 722782469. The next prime is 722782499. The reversal of 722782480 is 84287227.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is an unprimeable number.

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, 644782 + ... + 645901.

Almost surely, 2^722782480 is an apocalyptic number.

722782480 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

722782480 is an abundant number, since it is smaller than the sum of its proper divisors (1197755312).

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

722782480 is a wasteful number, since it uses less digits than its factorization.

722782480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1290703 (or 1290697 counting only the distinct ones).

The product of its (nonzero) digits is 100352, while the sum is 40.

The square root of 722782480 is about 26884.6141873005. The cubic root of 722782480 is about 897.4340410296.

The spelling of 722782480 in words is "seven hundred twenty-two million, seven hundred eighty-two thousand, four hundred eighty".