28150743 has 8 divisors (see below), whose sum is σ = 37618288. Its totient is φ = 18725184.

The previous prime is 28150711. The next prime is 28150751. The reversal of 28150743 is 34705182.

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

It is not a de Polignac number, because 28150743 - 2⁵ = 28150711 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 28150743.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28150753) 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, 8896 + ... + 11637.

It is an arithmetic number, because the mean of its divisors is an integer number (4702286).

Almost surely, 2^28150743 is an apocalyptic number.

28150743 is a deficient number, since it is larger than the sum of its proper divisors (9467545).

28150743 is a wasteful number, since it uses less digits than its factorization.

28150743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20993.

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 28150743 is about 5305.7273770898. The cubic root of 28150743 is about 304.2028561515.

The spelling of 28150743 in words is "twenty-eight million, one hundred fifty thousand, seven hundred forty-three".