28474037 has 8 divisors (see below), whose sum is σ = 28897920. Its totient is φ = 28052640.

The previous prime is 28474013. The next prime is 28474087. The reversal of 28474037 is 73047482.

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

It is a cyclic number.

It is not a de Polignac number, because 28474037 - 2¹⁸ = 28211893 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 28473988 and 28474006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28474087) 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, 40862 + ... + 41552.

It is an arithmetic number, because the mean of its divisors is an integer number (3612240).

Almost surely, 2^28474037 is an apocalyptic number.

It is an amenable number.

28474037 is a deficient number, since it is larger than the sum of its proper divisors (423883).

28474037 is an equidigital number, since it uses as much as digits as its factorization.

28474037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1243.

The product of its (nonzero) digits is 37632, while the sum is 35.

The square root of 28474037 is about 5336.1069142213. The cubic root of 28474037 is about 305.3629540949.

The spelling of 28474037 in words is "twenty-eight million, four hundred seventy-four thousand, thirty-seven".