722071560 has 64 divisors (see below), whose sum is σ = 2475676800. Its totient is φ = 165044736.

The previous prime is 722071487. The next prime is 722071621. The reversal of 722071560 is 65170227.

It is a Harshad number since it is a multiple of its sum of digits (30).

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 15 ways as a sum of consecutive naturals, for example, 428965 + ... + 430644.

It is an arithmetic number, because the mean of its divisors is an integer number (38682450).

Almost surely, 2^722071560 is an apocalyptic number.

722071560 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

722071560 is an abundant number, since it is smaller than the sum of its proper divisors (1753605240).

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

722071560 is a wasteful number, since it uses less digits than its factorization.

722071560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 859630 (or 859626 counting only the distinct ones).

The product of its (nonzero) digits is 5880, while the sum is 30.

The square root of 722071560 is about 26871.3892458131. The cubic root of 722071560 is about 897.1397094623.

The spelling of 722071560 in words is "seven hundred twenty-two million, seventy-one thousand, five hundred sixty".