66037424 has 20 divisors (see below), whose sum is σ = 128098944. Its totient is φ = 32979648.

The previous prime is 66037423. The next prime is 66037427. The reversal of 66037424 is 42473066.

It is not an unprimeable number, because it can be changed into a prime (66037423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15494 + ... + 19290.

Almost surely, 2^66037424 is an apocalyptic number.

It is an amenable number.

66037424 is a deficient number, since it is larger than the sum of its proper divisors (62061520).

66037424 is a wasteful number, since it uses less digits than its factorization.

66037424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4892 (or 4886 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 32.

The square root of 66037424 is about 8126.3413661992. The cubic root of 66037424 is about 404.2003711480.

The spelling of 66037424 in words is "sixty-six million, thirty-seven thousand, four hundred twenty-four".