62728947 has 6 divisors (see below), whose sum is σ = 90608492. Its totient is φ = 41819292.

The previous prime is 62728927. The next prime is 62728961. The reversal of 62728947 is 74982726.

It is not a de Polignac number, because 62728947 - 2⁷ = 62728819 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (62728927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3484933 + ... + 3484950.

Almost surely, 2^62728947 is an apocalyptic number.

62728947 is a deficient number, since it is larger than the sum of its proper divisors (27879545).

62728947 is a wasteful number, since it uses less digits than its factorization.

62728947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6969889 (or 6969886 counting only the distinct ones).

The product of its digits is 338688, while the sum is 45.

The square root of 62728947 is about 7920.1607938223. The cubic root of 62728947 is about 397.3342467817.

The spelling of 62728947 in words is "sixty-two million, seven hundred twenty-eight thousand, nine hundred forty-seven".