623272734720 has 520 divisors, whose sum is σ = 2244985348320. Its totient is φ = 165410242560.

The previous prime is 623272734701. The next prime is 623272734761. The reversal of 623272734720 is 27437272326.

623272734720 is a `hidden beast` number, since 6 + 232 + 72 + 7 + 347 + 2 + 0 = 666.

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 39 ways as a sum of consecutive naturals, for example, 399789301 + ... + 399790859.

It is an arithmetic number, because the mean of its divisors is an integer number (4317279516).

Almost surely, 2^623272734720 is an apocalyptic number.

623272734720 is a gapful number since it is divisible by the number (60) 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 623272734720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1122492674160).

623272734720 is an abundant number, since it is smaller than the sum of its proper divisors (1621712613600).

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

623272734720 is a wasteful number, since it uses less digits than its factorization.

623272734720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1841 (or 1810 counting only the distinct ones).

The product of its (nonzero) digits is 1185408, while the sum is 45.

The spelling of 623272734720 in words is "six hundred twenty-three billion, two hundred seventy-two million, seven hundred thirty-four thousand, seven hundred twenty".