62728047621 has 20 divisors (see below), whose sum is σ = 95990350764. Its totient is φ = 40798728000.

The previous prime is 62728047607. The next prime is 62728047623. The reversal of 62728047621 is 12674082726.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 27785222721 + 34942824900 = 166689^2 + 186930^2 .

It is not a de Polignac number, because 62728047621 - 2¹¹ = 62728045573 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (62728047623) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 9440830 + ... + 9447471.

Almost surely, 2^62728047621 is an apocalyptic number.

It is an amenable number.

62728047621 is a deficient number, since it is larger than the sum of its proper divisors (33262303143).

62728047621 is a wasteful number, since it uses less digits than its factorization.

62728047621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18888354 (or 18888345 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 45.

The spelling of 62728047621 in words is "sixty-two billion, seven hundred twenty-eight million, forty-seven thousand, six hundred twenty-one".