7680145 has 16 divisors (see below), whose sum is σ = 10108800. Its totient is φ = 5555200.

The previous prime is 7680131. The next prime is 7680149. The reversal of 7680145 is 5410867.

It is not a de Polignac number, because 7680145 - 2⁷ = 7680017 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7680149) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16881 + ... + 17329.

It is an arithmetic number, because the mean of its divisors is an integer number (631800).

Almost surely, 2^7680145 is an apocalyptic number.

It is an amenable number.

7680145 is a deficient number, since it is larger than the sum of its proper divisors (2428655).

7680145 is a wasteful number, since it uses less digits than its factorization.

7680145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 776.

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 7680145 is about 2771.3074531708. The cubic root of 7680145 is about 197.2982076079.

The spelling of 7680145 in words is "seven million, six hundred eighty thousand, one hundred forty-five".