8561372 has 12 divisors (see below), whose sum is σ = 15236760. Its totient is φ = 4208016.

The previous prime is 8561347. The next prime is 8561383. The reversal of 8561372 is 2731658.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17903 + ... + 18374.

It is an arithmetic number, because the mean of its divisors is an integer number (1269730).

Almost surely, 2^8561372 is an apocalyptic number.

It is an amenable number.

8561372 is a deficient number, since it is larger than the sum of its proper divisors (6675388).

8561372 is a wasteful number, since it uses less digits than its factorization.

8561372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36340 (or 36338 counting only the distinct ones).

The product of its digits is 10080, while the sum is 32.

The square root of 8561372 is about 2925.9822282440. The cubic root of 8561372 is about 204.5727528520.

The spelling of 8561372 in words is "eight million, five hundred sixty-one thousand, three hundred seventy-two".