7916457 has 8 divisors (see below), whose sum is σ = 10682784. Its totient is φ = 5213888.

The previous prime is 7916423. The next prime is 7916459. The reversal of 7916457 is 7546197.

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

It is a cyclic number.

It is not a de Polignac number, because 7916457 - 2¹¹ = 7914409 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7916459) 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, 15648 + ... + 16145.

It is an arithmetic number, because the mean of its divisors is an integer number (1335348).

Almost surely, 2^7916457 is an apocalyptic number.

It is an amenable number.

7916457 is a deficient number, since it is larger than the sum of its proper divisors (2766327).

7916457 is a wasteful number, since it uses less digits than its factorization.

7916457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31879.

The product of its digits is 52920, while the sum is 39.

The square root of 7916457 is about 2813.6199103646. The cubic root of 7916457 is about 199.3013707608.

The spelling of 7916457 in words is "seven million, nine hundred sixteen thousand, four hundred fifty-seven".