620134272 has 64 divisors (see below), whose sum is σ = 1830267600. Its totient is φ = 206710272.

The previous prime is 620134271. The next prime is 620134297. The reversal of 620134272 is 272431026.

620134272 is a `hidden beast` number, since 620 + 1 + 34 + 2 + 7 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (620134271) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86263 + ... + 93174.

Almost surely, 2^620134272 is an apocalyptic number.

It is an amenable number.

620134272 is an abundant number, since it is smaller than the sum of its proper divisors (1210133328).

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

620134272 is a wasteful number, since it uses less digits than its factorization.

620134272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179460 (or 179442 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 620134272 is about 24902.4952966565. The cubic root of 620134272 is about 852.7634497932.

Adding to 620134272 its reverse (272431026), we get a palindrome (892565298).

The spelling of 620134272 in words is "six hundred twenty million, one hundred thirty-four thousand, two hundred seventy-two".