620972368324 has 405 divisors, whose sum is σ = 1515485478381. Its totient is φ = 222410200320.

The previous prime is 620972368319. The next prime is 620972368349. The reversal of 620972368324 is 423863279026.

The square root of 620972368324 is 788018.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 483455996100 + 137516372224 = 695310^2 + 370832^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 134 ways as a sum of consecutive naturals, for example, 14441217847 + ... + 14441217889.

Almost surely, 2^620972368324 is an apocalyptic number.

620972368324 is the 788018-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 620972368324

620972368324 is an abundant number, since it is smaller than the sum of its proper divisors (894513110057).

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

620972368324 is a wasteful number, since it uses less digits than its factorization.

620972368324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174 (or 80 counting only the distinct ones).

The product of its (nonzero) digits is 5225472, while the sum is 52.

The spelling of 620972368324 in words is "six hundred twenty billion, nine hundred seventy-two million, three hundred sixty-eight thousand, three hundred twenty-four".