66707334 has 16 divisors (see below), whose sum is σ = 148238640. Its totient is φ = 22235760.

The previous prime is 66707321. The next prime is 66707341. The reversal of 66707334 is 43370766.

It is a congruent number.

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, 617607 + ... + 617714.

It is an arithmetic number, because the mean of its divisors is an integer number (9264915).

Almost surely, 2^66707334 is an apocalyptic number.

66707334 is an abundant number, since it is smaller than the sum of its proper divisors (81531306).

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

66707334 is a wasteful number, since it uses less digits than its factorization.

66707334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1235332 (or 1235326 counting only the distinct ones).

The product of its (nonzero) digits is 63504, while the sum is 36.

The square root of 66707334 is about 8167.4557850043. The cubic root of 66707334 is about 405.5625652577.

The spelling of 66707334 in words is "sixty-six million, seven hundred seven thousand, three hundred thirty-four".