620472 has 32 divisors (see below), whose sum is σ = 1572480. Its totient is φ = 204000.

The previous prime is 620467. The next prime is 620491. The reversal of 620472 is 274026.

It is a happy number.

It is a Smith number, since the sum of its digits (21) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2347 + ... + 2597.

It is an arithmetic number, because the mean of its divisors is an integer number (49140).

2⁶²⁰⁴⁷² is an apocalyptic number.

It is an amenable number.

620472 is an abundant number, since it is smaller than the sum of its proper divisors (952008).

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

620472 is a wasteful number, since it uses less digits than its factorization.

620472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363 (or 359 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 620472 is about 787.7004506791. The cubic root of 620472 is about 85.2918228009.

Adding to 620472 its reverse (274026), we get a palindrome (894498).

The spelling of 620472 in words is "six hundred twenty thousand, four hundred seventy-two".