66736701 has 12 divisors (see below), whose sum is σ = 96494112. Its totient is φ = 44446536.

The previous prime is 66736693. The next prime is 66736717. The reversal of 66736701 is 10763766.

It is not a de Polignac number, because 66736701 - 2³ = 66736693 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66736741) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7560 + ... + 13806.

It is an arithmetic number, because the mean of its divisors is an integer number (8041176).

Almost surely, 2^66736701 is an apocalyptic number.

It is an amenable number.

66736701 is a deficient number, since it is larger than the sum of its proper divisors (29757411).

66736701 is a wasteful number, since it uses less digits than its factorization.

66736701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7440 (or 7437 counting only the distinct ones).

The product of its (nonzero) digits is 31752, while the sum is 36.

The square root of 66736701 is about 8169.2533930586. The cubic root of 66736701 is about 405.6220710012.

The spelling of 66736701 in words is "sixty-six million, seven hundred thirty-six thousand, seven hundred one".