620843672 has 24 divisors (see below), whose sum is σ = 1236589860. Its totient is φ = 292160640.

The previous prime is 620843651. The next prime is 620843681. The reversal of 620843672 is 276348026.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 131954 + ... + 136577.

Almost surely, 2^620843672 is an apocalyptic number.

It is an amenable number.

620843672 is a deficient number, since it is larger than the sum of its proper divisors (615746188).

620843672 is a wasteful number, since it uses less digits than its factorization.

620843672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268571 (or 268550 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 38.

The square root of 620843672 is about 24916.7347780563. The cubic root of 620843672 is about 853.0884976032.

It can be divided in two parts, 62084 and 3672, that added together give a palindrome (65756).

The spelling of 620843672 in words is "six hundred twenty million, eight hundred forty-three thousand, six hundred seventy-two".