28371274 has 4 divisors (see below), whose sum is σ = 42556914. Its totient is φ = 14185636.

The previous prime is 28371269. The next prime is 28371281. The reversal of 28371274 is 47217382.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 28164249 + 207025 = 5307^2 + 455^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7092817 + ... + 7092820.

Almost surely, 2^28371274 is an apocalyptic number.

28371274 is a deficient number, since it is larger than the sum of its proper divisors (14185640).

28371274 is a wasteful number, since it uses less digits than its factorization.

28371274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14185639.

The product of its digits is 18816, while the sum is 34.

The square root of 28371274 is about 5326.4691869943. The cubic root of 28371274 is about 304.9951589306.

The spelling of 28371274 in words is "twenty-eight million, three hundred seventy-one thousand, two hundred seventy-four".