64148273 has 8 divisors (see below), whose sum is σ = 73799040. Its totient is φ = 54619200.

The previous prime is 64148257. The next prime is 64148291. The reversal of 64148273 is 37284146.

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

It is a cyclic number.

It is not a de Polignac number, because 64148273 - 2⁴ = 64148257 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (64148213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29288 + ... + 31401.

It is an arithmetic number, because the mean of its divisors is an integer number (9224880).

Almost surely, 2^64148273 is an apocalyptic number.

It is an amenable number.

64148273 is a deficient number, since it is larger than the sum of its proper divisors (9650767).

64148273 is a wasteful number, since it uses less digits than its factorization.

64148273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60847.

The product of its digits is 32256, while the sum is 35.

The square root of 64148273 is about 8009.2617013056. The cubic root of 64148273 is about 400.3086638387.

The spelling of 64148273 in words is "sixty-four million, one hundred forty-eight thousand, two hundred seventy-three".