7660457 has 8 divisors (see below), whose sum is σ = 8808576. Its totient is φ = 6525792.

The previous prime is 7660427. The next prime is 7660459. The reversal of 7660457 is 7540667.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 7660457 - 2²⁰ = 6611881 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7660459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2108 + ... + 4445.

It is an arithmetic number, because the mean of its divisors is an integer number (1101072).

Almost surely, 2^7660457 is an apocalyptic number.

It is an amenable number.

7660457 is a deficient number, since it is larger than the sum of its proper divisors (1148119).

7660457 is a wasteful number, since it uses less digits than its factorization.

7660457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6727.

The product of its (nonzero) digits is 35280, while the sum is 35.

The square root of 7660457 is about 2767.7530597942. The cubic root of 7660457 is about 197.1294724662.

The spelling of 7660457 in words is "seven million, six hundred sixty thousand, four hundred fifty-seven".