7916545 has 32 divisors (see below), whose sum is σ = 11870208. Its totient is φ = 4935168.

The previous prime is 7916533. The next prime is 7916549. The reversal of 7916545 is 5456197.

7916545 = T₉₀ + T₉₁ + ... + T₃₆₃.

It is not a de Polignac number, because 7916545 - 2⁷ = 7916417 is a prime.

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (7916549) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 57717 + ... + 57853.

It is an arithmetic number, because the mean of its divisors is an integer number (370944).

Almost surely, 2^7916545 is an apocalyptic number.

It is an amenable number.

7916545 is a deficient number, since it is larger than the sum of its proper divisors (3953663).

7916545 is a wasteful number, since it uses less digits than its factorization.

7916545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289.

The product of its digits is 37800, while the sum is 37.

The square root of 7916545 is about 2813.6355485386. The cubic root of 7916545 is about 199.3021092417.

The spelling of 7916545 in words is "seven million, nine hundred sixteen thousand, five hundred forty-five".