66370712 has 8 divisors (see below), whose sum is σ = 124445100. Its totient is φ = 33185352.

The previous prime is 66370699. The next prime is 66370723. The reversal of 66370712 is 21707366.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×66370712² = 8810142822773888, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4148162 + ... + 4148177.

Almost surely, 2^66370712 is an apocalyptic number.

It is an amenable number.

66370712 is a deficient number, since it is larger than the sum of its proper divisors (58074388).

66370712 is a wasteful number, since it uses less digits than its factorization.

66370712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8296345 (or 8296341 counting only the distinct ones).

The product of its (nonzero) digits is 10584, while the sum is 32.

The square root of 66370712 is about 8146.8222025524. The cubic root of 66370712 is about 404.8792242622.

The spelling of 66370712 in words is "sixty-six million, three hundred seventy thousand, seven hundred twelve".