620371752 has 512 divisors, whose sum is σ = 2322432000. Its totient is φ = 135475200.

The previous prime is 620371751. The next prime is 620371789. The reversal of 620371752 is 257173026.

620371752 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×620371752² = 769722221359099008, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (620371751) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 20011977 + ... + 20012007.

It is an arithmetic number, because the mean of its divisors is an integer number (4536000).

Almost surely, 2^620371752 is an apocalyptic number.

620371752 is a gapful number since it is divisible by the number (62) 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 620371752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1161216000).

620371752 is an abundant number, since it is smaller than the sum of its proper divisors (1702060248).

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

620371752 is a wasteful number, since it uses less digits than its factorization.

620371752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102 (or 84 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 33.

The square root of 620371752 is about 24907.2630371143. The cubic root of 620371752 is about 852.8722909630.

The spelling of 620371752 in words is "six hundred twenty million, three hundred seventy-one thousand, seven hundred fifty-two".