66807034 has 16 divisors (see below), whose sum is σ = 115112448. Its totient is φ = 28485072.

The previous prime is 66807029. The next prime is 66807043. The reversal of 66807034 is 43070866.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9354 + ... + 14869.

It is an arithmetic number, because the mean of its divisors is an integer number (7194528).

Almost surely, 2^66807034 is an apocalyptic number.

66807034 is a deficient number, since it is larger than the sum of its proper divisors (48305414).

66807034 is a wasteful number, since it uses less digits than its factorization.

66807034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24429.

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 66807034 is about 8173.5569980272. The cubic root of 66807034 is about 405.7645143672.

The spelling of 66807034 in words is "sixty-six million, eight hundred seven thousand, thirty-four".