66034038 has 16 divisors (see below), whose sum is σ = 150935040. Its totient is φ = 18866856.

The previous prime is 66034037. The next prime is 66034057. The reversal of 66034038 is 83043066.

It is a junction number, because it is equal to n+sod(n) for n = 66033996 and 66034014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66034037) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 786078 + ... + 786161.

It is an arithmetic number, because the mean of its divisors is an integer number (9433440).

Almost surely, 2^66034038 is an apocalyptic number.

66034038 is an abundant number, since it is smaller than the sum of its proper divisors (84901002).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

66034038 is a wasteful number, since it uses less digits than its factorization.

66034038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1572251.

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 66034038 is about 8126.1330286921. The cubic root of 66034038 is about 404.1934627125.

Subtracting 66034038 from its reverse (83043066), we obtain a triangular number (17009028 = T₅₈₃₂).

The spelling of 66034038 in words is "sixty-six million, thirty-four thousand, thirty-eight".