66012034 has 12 divisors (see below), whose sum is σ = 108838422. Its totient is φ = 30005360.

The previous prime is 66012031. The next prime is 66012043. The reversal of 66012034 is 43021066.

It can be written as a sum of positive squares in only one way, i.e., 65367225 + 644809 = 8085^2 + 803^2 .

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 66011996 and 66012014.

It is not an unprimeable number, because it can be changed into a prime (66012031) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 136147 + ... + 136630.

Almost surely, 2^66012034 is an apocalyptic number.

66012034 is a deficient number, since it is larger than the sum of its proper divisors (42826388).

66012034 is a wasteful number, since it uses less digits than its factorization.

66012034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272801 (or 272790 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 66012034 is about 8124.7790123794. The cubic root of 66012034 is about 404.1485623284.

The spelling of 66012034 in words is "sixty-six million, twelve thousand, thirty-four".