64348518 has 16 divisors (see below), whose sum is σ = 138596976. Its totient is φ = 19799520.

The previous prime is 64348517. The next prime is 64348523. The reversal of 64348518 is 81584346.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64348517) 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, 412413 + ... + 412568.

It is an arithmetic number, because the mean of its divisors is an integer number (8662311).

Almost surely, 2^64348518 is an apocalyptic number.

64348518 is an abundant number, since it is smaller than the sum of its proper divisors (74248458).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

64348518 is a wasteful number, since it uses less digits than its factorization.

64348518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 824999.

The product of its digits is 92160, while the sum is 39.

The square root of 64348518 is about 8021.7528009781. The cubic root of 64348518 is about 400.7247651622.

The spelling of 64348518 in words is "sixty-four million, three hundred forty-eight thousand, five hundred eighteen".