66677234 has 16 divisors (see below), whose sum is σ = 110338200. Its totient is φ = 30023040.

The previous prime is 66677231. The next prime is 66677263. The reversal of 66677234 is 43277666.

It can be written as a sum of positive squares in 4 ways, for example, as 51051025 + 15626209 = 7145^2 + 3953^2 .

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a junction number, because it is equal to n+sod(n) for n = 66677191 and 66677200.

It is not an unprimeable number, because it can be changed into a prime (66677231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30209 + ... + 32340.

Almost surely, 2^66677234 is an apocalyptic number.

66677234 is a deficient number, since it is larger than the sum of its proper divisors (43660966).

66677234 is a wasteful number, since it uses less digits than its factorization.

66677234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62605.

The product of its digits is 254016, while the sum is 41.

The square root of 66677234 is about 8165.6128980010. The cubic root of 66677234 is about 405.5015561250.

The spelling of 66677234 in words is "sixty-six million, six hundred seventy-seven thousand, two hundred thirty-four".