28474761 has 8 divisors (see below), whose sum is σ = 43390144. Its totient is φ = 16271280.

The previous prime is 28474751. The next prime is 28474777. The reversal of 28474761 is 16747482.

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

It is not a de Polignac number, because 28474761 - 2⁹ = 28474249 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (28474741) 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, 677950 + ... + 677991.

It is an arithmetic number, because the mean of its divisors is an integer number (5423768).

Almost surely, 2^28474761 is an apocalyptic number.

28474761 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

28474761 is a deficient number, since it is larger than the sum of its proper divisors (14915383).

28474761 is a wasteful number, since it uses less digits than its factorization.

28474761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1355951.

The product of its digits is 75264, while the sum is 39.

The square root of 28474761 is about 5336.1747535102. The cubic root of 28474761 is about 305.3655421942.

The spelling of 28474761 in words is "twenty-eight million, four hundred seventy-four thousand, seven hundred sixty-one".