7640112 has 20 divisors (see below), whose sum is σ = 19737080. Its totient is φ = 2546688.

The previous prime is 7640069. The next prime is 7640131. The reversal of 7640112 is 2110467.

It is a super-2 number, since 2×7640112² = 116742622745088, which contains 22 as substring.

It is an Ulam 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, 79537 + ... + 79632.

It is an arithmetic number, because the mean of its divisors is an integer number (986854).

Almost surely, 2^7640112 is an apocalyptic number.

It is an amenable number.

7640112 is an abundant number, since it is smaller than the sum of its proper divisors (12096968).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7640112 is a wasteful number, since it uses less digits than its factorization.

7640112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159180 (or 159174 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 7640112 is about 2764.0752522317. The cubic root of 7640112 is about 196.9548025182.

Adding to 7640112 its reverse (2110467), we get a palindrome (9750579).

The spelling of 7640112 in words is "seven million, six hundred forty thousand, one hundred twelve".