28729694 has 16 divisors (see below), whose sum is σ = 52148448. Its totient is φ = 11588352.

The previous prime is 28729681. The next prime is 28729717. The reversal of 28729694 is 49692782.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60119 + ... + 60594.

It is an arithmetic number, because the mean of its divisors is an integer number (3259278).

Almost surely, 2^28729694 is an apocalyptic number.

28729694 is a deficient number, since it is larger than the sum of its proper divisors (23418754).

28729694 is a wasteful number, since it uses less digits than its factorization.

28729694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120739.

The product of its digits is 435456, while the sum is 47.

The square root of 28729694 is about 5360.0087686495. The cubic root of 28729694 is about 306.2741430918.

The spelling of 28729694 in words is "twenty-eight million, seven hundred twenty-nine thousand, six hundred ninety-four".