28472694 has 32 divisors (see below), whose sum is σ = 60051456. Its totient is φ = 8986560.

The previous prime is 28472681. The next prime is 28472707. The reversal of 28472694 is 49627482.

It is an interprime number because it is at equal distance from previous prime (28472681) and next prime (28472707).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7114 + ... + 10370.

It is an arithmetic number, because the mean of its divisors is an integer number (1876608).

Almost surely, 2^28472694 is an apocalyptic number.

28472694 is an abundant number, since it is smaller than the sum of its proper divisors (31578762).

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

28472694 is a wasteful number, since it uses less digits than its factorization.

28472694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3340.

The product of its digits is 193536, while the sum is 42.

The square root of 28472694 is about 5335.9810719304. The cubic root of 28472694 is about 305.3581531261.

The spelling of 28472694 in words is "twenty-eight million, four hundred seventy-two thousand, six hundred ninety-four".