722604928500 has 960 divisors, whose sum is σ = 2935486794240. Its totient is φ = 150680217600.

The previous prime is 722604928481. The next prime is 722604928511. The reversal of 722604928500 is 5829406227.

722604928500 is a `hidden beast` number, since 7 + 22 + 60 + 49 + 28 + 500 = 666.

It is a super-2 number, since 2×722604928500² (a number of 25 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 319 ways as a sum of consecutive naturals, for example, 328008399 + ... + 328010601.

It is an arithmetic number, because the mean of its divisors is an integer number (3057798744).

Almost surely, 2^722604928500 is an apocalyptic number.

722604928500 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 722604928500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1467743397120).

722604928500 is an abundant number, since it is smaller than the sum of its proper divisors (2212881865740).

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

722604928500 is a wasteful number, since it uses less digits than its factorization.

722604928500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2343 (or 2322 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 45.

The spelling of 722604928500 in words is "seven hundred twenty-two billion, six hundred four million, nine hundred twenty-eight thousand, five hundred".