28953072 has 40 divisors (see below), whose sum is σ = 83107280. Its totient is φ = 9650880.

The previous prime is 28953059. The next prime is 28953073. The reversal of 28953072 is 27035982.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nialpdrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28953073) 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, 33079 + ... + 33942.

It is an arithmetic number, because the mean of its divisors is an integer number (2077682).

Almost surely, 2^28953072 is an apocalyptic number.

It is an amenable number.

28953072 is an abundant number, since it is smaller than the sum of its proper divisors (54154208).

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

28953072 is a wasteful number, since it uses less digits than its factorization.

28953072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67038 (or 67026 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 28953072 is about 5380.8058875971. The cubic root of 28953072 is about 307.0658716217.

It can be divided in two parts, 289 and 53072, that added together give a square (53361 = 231²).

The spelling of 28953072 in words is "twenty-eight million, nine hundred fifty-three thousand, seventy-two".