66375734 has 8 divisors (see below), whose sum is σ = 99605640. Its totient is φ = 33173856.

The previous prime is 66375733. The next prime is 66375737. The reversal of 66375734 is 43757366.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 66375691 and 66375700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66375731) 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, 542 + ... + 11534.

It is an arithmetic number, because the mean of its divisors is an integer number (12450705).

Almost surely, 2^66375734 is an apocalyptic number.

66375734 is a deficient number, since it is larger than the sum of its proper divisors (33229906).

66375734 is a wasteful number, since it uses less digits than its factorization.

66375734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14014.

The product of its digits is 317520, while the sum is 41.

The square root of 66375734 is about 8147.1304150603. The cubic root of 66375734 is about 404.8894358557.

The spelling of 66375734 in words is "sixty-six million, three hundred seventy-five thousand, seven hundred thirty-four".