620072000 has 56 divisors (see below), whose sum is σ = 1535628120. Its totient is φ = 248025600.

The previous prime is 620071967. The next prime is 620072017. The reversal of 620072000 is 270026.

It can be written as a sum of positive squares in 4 ways, for example, as 9784384 + 610287616 = 3128^2 + 24704^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 620072000.

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, 30755 + ... + 46754.

Almost surely, 2^620072000 is an apocalyptic number.

It is an amenable number.

620072000 is an abundant number, since it is smaller than the sum of its proper divisors (915556120).

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

620072000 is an equidigital number, since it uses as much as digits as its factorization.

620072000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77536 (or 77516 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 17.

The square root of 620072000 is about 24901.2449487972. The cubic root of 620072000 is about 852.7349048659.

The spelling of 620072000 in words is "six hundred twenty million, seventy-two thousand".