62728812 has 18 divisors (see below), whose sum is σ = 158564588. Its totient is φ = 20909592.

The previous prime is 62728807. The next prime is 62728819. The reversal of 62728812 is 21882726.

It is a happy number.

62728812 is a `hidden beast` number, since 627 + 28 + 8 + 1 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 1742467 = 62728812 / (6 + 2 + 7 + 2 + 8 + 8 + 1 + 2).

It is not an unprimeable number, because it can be changed into a prime (62728819) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 871198 + ... + 871269.

Almost surely, 2^62728812 is an apocalyptic number.

It is an amenable number.

62728812 is an abundant number, since it is smaller than the sum of its proper divisors (95835776).

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

62728812 is a wasteful number, since it uses less digits than its factorization.

62728812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1742477 (or 1742472 counting only the distinct ones).

The product of its digits is 21504, while the sum is 36.

The square root of 62728812 is about 7920.1522712635. The cubic root of 62728812 is about 397.3339617450. Note that the first 3 decimals are identical.

The spelling of 62728812 in words is "sixty-two million, seven hundred twenty-eight thousand, eight hundred twelve".