8272442 has 4 divisors (see below), whose sum is σ = 12408666. Its totient is φ = 4136220.

The previous prime is 8272441. The next prime is 8272457. The reversal of 8272442 is 2442728.

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., 8059921 + 212521 = 2839^2 + 461^2 .

It is not an unprimeable number, because it can be changed into a prime (8272441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2068109 + ... + 2068112.

Almost surely, 2^8272442 is an apocalyptic number.

8272442 is a deficient number, since it is larger than the sum of its proper divisors (4136224).

8272442 is a wasteful number, since it uses less digits than its factorization.

8272442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4136223.

The product of its digits is 7168, while the sum is 29.

The square root of 8272442 is about 2876.1853208721. The cubic root of 8272442 is about 202.2450543573.

The spelling of 8272442 in words is "eight million, two hundred seventy-two thousand, four hundred forty-two".