8180372 has 6 divisors (see below), whose sum is σ = 14315658. Its totient is φ = 4090184.

The previous prime is 8180369. The next prime is 8180413. The reversal of 8180372 is 2730818.

It can be written as a sum of positive squares in only one way, i.e., 8099716 + 80656 = 2846^2 + 284^2 .

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1022543 + ... + 1022550.

It is an arithmetic number, because the mean of its divisors is an integer number (2385943).

Almost surely, 2^8180372 is an apocalyptic number.

It is an amenable number.

8180372 is a deficient number, since it is larger than the sum of its proper divisors (6135286).

8180372 is a wasteful number, since it uses less digits than its factorization.

8180372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2045097 (or 2045095 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 29.

The square root of 8180372 is about 2860.1349618506. The cubic root of 8180372 is about 201.4919428583.

The spelling of 8180372 in words is "eight million, one hundred eighty thousand, three hundred seventy-two".