28113754 has 8 divisors (see below), whose sum is σ = 42588468. Its totient is φ = 13917600.

The previous prime is 28113739. The next prime is 28113781. The reversal of 28113754 is 45731182.

It can be written as a sum of positive squares in 2 ways, for example, as 28037025 + 76729 = 5295^2 + 277^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69387 + ... + 69790.

Almost surely, 2^28113754 is an apocalyptic number.

28113754 is a deficient number, since it is larger than the sum of its proper divisors (14474714).

28113754 is a wasteful number, since it uses less digits than its factorization.

28113754 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139280.

The product of its digits is 6720, while the sum is 31.

The square root of 28113754 is about 5302.2404698391. The cubic root of 28113754 is about 304.0695607787.

The spelling of 28113754 in words is "twenty-eight million, one hundred thirteen thousand, seven hundred fifty-four".