620674425 has 108 divisors (see below), whose sum is σ = 1361720880. Its totient is φ = 268712640.

The previous prime is 620674423. The next prime is 620674447. The reversal of 620674425 is 524476026.

620674425 is a `hidden beast` number, since 6 + 206 + 7 + 442 + 5 = 666.

It is not a de Polignac number, because 620674425 - 2¹ = 620674423 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 620674425.

It is not an unprimeable number, because it can be changed into a prime (620674421) by changing a digit.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 207994 + ... + 210956.

Almost surely, 2^620674425 is an apocalyptic number.

It is an amenable number.

620674425 is an abundant number, since it is smaller than the sum of its proper divisors (741046455).

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

620674425 is a wasteful number, since it uses less digits than its factorization.

620674425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3012 (or 2997 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 36.

The square root of 620674425 is about 24913.3382949777. The cubic root of 620674425 is about 853.0109709528.

The spelling of 620674425 in words is "six hundred twenty million, six hundred seventy-four thousand, four hundred twenty-five".