28672476 has 24 divisors (see below), whose sum is σ = 76460160. Its totient is φ = 8192112.

The previous prime is 28672471. The next prime is 28672477. The reversal of 28672476 is 67427682.

It is a super-2 number, since 2×28672476² = 1644221759941152, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28672471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 170586 + ... + 170753.

It is an arithmetic number, because the mean of its divisors is an integer number (3185840).

Almost surely, 2^28672476 is an apocalyptic number.

It is an amenable number.

28672476 is an abundant number, since it is smaller than the sum of its proper divisors (47787684).

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

28672476 is a wasteful number, since it uses less digits than its factorization.

28672476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341353 (or 341351 counting only the distinct ones).

The product of its digits is 225792, while the sum is 42.

The square root of 28672476 is about 5354.6686171975. The cubic root of 28672476 is about 306.0706829754.

The spelling of 28672476 in words is "twenty-eight million, six hundred seventy-two thousand, four hundred seventy-six".