66737134 has 4 divisors (see below), whose sum is σ = 100105704. Its totient is φ = 33368566.

The previous prime is 66737131. The next prime is 66737137. The reversal of 66737134 is 43173766.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (66737131) and next prime (66737137).

It is a junction number, because it is equal to n+sod(n) for n = 66737093 and 66737102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66737131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16684282 + ... + 16684285.

It is an arithmetic number, because the mean of its divisors is an integer number (25026426).

Almost surely, 2^66737134 is an apocalyptic number.

66737134 is a deficient number, since it is larger than the sum of its proper divisors (33368570).

66737134 is a wasteful number, since it uses less digits than its factorization.

66737134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33368569.

The product of its digits is 63504, while the sum is 37.

The square root of 66737134 is about 8169.2798948255. The cubic root of 66737134 is about 405.6229482495.

The spelling of 66737134 in words is "sixty-six million, seven hundred thirty-seven thousand, one hundred thirty-four".