28160742 has 8 divisors (see below), whose sum is σ = 56321496. Its totient is φ = 9386912.

The previous prime is 28160729. The next prime is 28160747. The reversal of 28160742 is 24706182.

It is a sphenic number, since it is the product of 3 distinct primes.

28160742 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28160747) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2346723 + ... + 2346734.

It is an arithmetic number, because the mean of its divisors is an integer number (7040187).

Almost surely, 2^28160742 is an apocalyptic number.

28160742 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

28160742 is a wasteful number, since it uses less digits than its factorization.

28160742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4693462.

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 28160742 is about 5306.6695770511. The cubic root of 28160742 is about 304.2388689878.

The spelling of 28160742 in words is "twenty-eight million, one hundred sixty thousand, seven hundred forty-two".