28662470 has 8 divisors (see below), whose sum is σ = 51592464. Its totient is φ = 11464984.

The previous prime is 28662463. The next prime is 28662481. The reversal of 28662470 is 7426682.

It is a sphenic number, since it is the product of 3 distinct primes.

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 28662470.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1433114 + ... + 1433133.

It is an arithmetic number, because the mean of its divisors is an integer number (6449058).

Almost surely, 2^28662470 is an apocalyptic number.

28662470 is a deficient number, since it is larger than the sum of its proper divisors (22929994).

28662470 is a wasteful number, since it uses less digits than its factorization.

28662470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2866254.

The product of its (nonzero) digits is 32256, while the sum is 35.

The square root of 28662470 is about 5353.7342108102. The cubic root of 28662470 is about 306.0350750800.

The spelling of 28662470 in words is "twenty-eight million, six hundred sixty-two thousand, four hundred seventy".