7861162 has 4 divisors (see below), whose sum is σ = 11791746. Its totient is φ = 3930580.

The previous prime is 7861159. The next prime is 7861181. The reversal of 7861162 is 2611687.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2611687 = 13 ⋅200899.

It can be written as a sum of positive squares in only one way, i.e., 6859161 + 1002001 = 2619^2 + 1001^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1965289 + ... + 1965292.

Almost surely, 2^7861162 is an apocalyptic number.

7861162 is a deficient number, since it is larger than the sum of its proper divisors (3930584).

7861162 is a wasteful number, since it uses less digits than its factorization.

7861162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3930583.

The product of its digits is 4032, while the sum is 31.

The square root of 7861162 is about 2803.7763819535. The cubic root of 7861162 is about 198.8362583270.

The spelling of 7861162 in words is "seven million, eight hundred sixty-one thousand, one hundred sixty-two".