7681072 has 20 divisors (see below), whose sum is σ = 17008336. Its totient is φ = 3291840.

The previous prime is 7681039. The next prime is 7681109. The reversal of 7681072 is 2701867.

It is a happy number.

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, 34179 + ... + 34402.

Almost surely, 2^7681072 is an apocalyptic number.

It is an amenable number.

7681072 is an abundant number, since it is smaller than the sum of its proper divisors (9327264).

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

7681072 is a wasteful number, since it uses less digits than its factorization.

7681072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68596 (or 68590 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 31.

The square root of 7681072 is about 2771.4746977016. The cubic root of 7681072 is about 197.3061453087.

The spelling of 7681072 in words is "seven million, six hundred eighty-one thousand, seventy-two".