28374741 has 6 divisors (see below), whose sum is σ = 40985750. Its totient is φ = 18916488.

The previous prime is 28374739. The next prime is 28374761. The reversal of 28374741 is 14747382.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 15800625 + 12574116 = 3975^2 + 3546^2 .

It is not a de Polignac number, because 28374741 - 2¹ = 28374739 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 28374696 and 28374705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28374761) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1576366 + ... + 1576383.

Almost surely, 2^28374741 is an apocalyptic number.

It is an amenable number.

28374741 is a deficient number, since it is larger than the sum of its proper divisors (12611009).

28374741 is a wasteful number, since it uses less digits than its factorization.

28374741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3152755 (or 3152752 counting only the distinct ones).

The product of its digits is 37632, while the sum is 36.

The square root of 28374741 is about 5326.7946271656. The cubic root of 28374741 is about 305.0075820027.

The spelling of 28374741 in words is "twenty-eight million, three hundred seventy-four thousand, seven hundred forty-one".