28695072 has 48 divisors (see below), whose sum is σ = 86087232. Its totient is φ = 8198400.

The previous prime is 28695067. The next prime is 28695077. The reversal of 28695072 is 27059682.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (28695067) and next prime (28695077).

It is a tau number, because it is divible by the number of its divisors (48).

It is a self number, because there is not a number n which added to its sum of digits gives 28695072.

It is not an unprimeable number, because it can be changed into a prime (28695077) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20679 + ... + 22022.

It is an arithmetic number, because the mean of its divisors is an integer number (1793484).

Almost surely, 2^28695072 is an apocalyptic number.

It is an amenable number.

28695072 is an abundant number, since it is smaller than the sum of its proper divisors (57392160).

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

28695072 is a wasteful number, since it uses less digits than its factorization.

28695072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42721 (or 42713 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 39.

The square root of 28695072 is about 5356.7781361561. The cubic root of 28695072 is about 306.1510638626.

The spelling of 28695072 in words is "twenty-eight million, six hundred ninety-five thousand, seventy-two".