28374722 has 8 divisors (see below), whose sum is σ = 42800400. Its totient is φ = 14107924.

The previous prime is 28374719. The next prime is 28374727. The reversal of 28374722 is 22747382.

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

It is not an unprimeable number, because it can be changed into a prime (28374727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39272 + ... + 39987.

It is an arithmetic number, because the mean of its divisors is an integer number (5350050).

Almost surely, 2^28374722 is an apocalyptic number.

28374722 is a deficient number, since it is larger than the sum of its proper divisors (14425678).

28374722 is a wasteful number, since it uses less digits than its factorization.

28374722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79440.

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

The square root of 28374722 is about 5326.7928437288. The cubic root of 28374722 is about 305.0075139240.

The spelling of 28374722 in words is "twenty-eight million, three hundred seventy-four thousand, seven hundred twenty-two".