66473115 has 16 divisors (see below), whose sum is σ = 111955200. Its totient is φ = 33586272.

The previous prime is 66473101. The next prime is 66473137. The reversal of 66473115 is 51137466.

It is not a de Polignac number, because 66473115 - 2⁶ = 66473051 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 116335 + ... + 116904.

It is an arithmetic number, because the mean of its divisors is an integer number (6997200).

Almost surely, 2^66473115 is an apocalyptic number.

66473115 is a deficient number, since it is larger than the sum of its proper divisors (45482085).

66473115 is a wasteful number, since it uses less digits than its factorization.

66473115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233266.

The product of its digits is 15120, while the sum is 33.

The square root of 66473115 is about 8153.1046233935. The cubic root of 66473115 is about 405.0873458918.

The spelling of 66473115 in words is "sixty-six million, four hundred seventy-three thousand, one hundred fifteen".