66034382 has 4 divisors (see below), whose sum is σ = 99051576. Its totient is φ = 33017190.

The previous prime is 66034333. The next prime is 66034417. The reversal of 66034382 is 28343066.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 28343066 = 2 ⋅14171533.

It is a super-2 number, since 2×66034382² = 8721079212243848, 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, 16508594 + ... + 16508597.

It is an arithmetic number, because the mean of its divisors is an integer number (24762894).

Almost surely, 2^66034382 is an apocalyptic number.

66034382 is a deficient number, since it is larger than the sum of its proper divisors (33017194).

66034382 is a wasteful number, since it uses less digits than its factorization.

66034382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33017193.

The product of its (nonzero) digits is 20736, while the sum is 32.

The square root of 66034382 is about 8126.1541949436. The cubic root of 66034382 is about 404.1941645844.

The spelling of 66034382 in words is "sixty-six million, thirty-four thousand, three hundred eighty-two".