64334375 has 48 divisors (see below), whose sum is σ = 97868736. Its totient is φ = 41280000.

The previous prime is 64334359. The next prime is 64334419. The reversal of 64334375 is 57343346.

It is not a de Polignac number, because 64334375 - 2⁴ = 64334359 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 371789 + ... + 371961.

It is an arithmetic number, because the mean of its divisors is an integer number (2038932).

Almost surely, 2^64334375 is an apocalyptic number.

64334375 is a deficient number, since it is larger than the sum of its proper divisors (33534361).

64334375 is an equidigital number, since it uses as much as digits as its factorization.

64334375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222 (or 202 counting only the distinct ones).

The product of its digits is 90720, while the sum is 35.

The square root of 64334375 is about 8020.8712120318. The cubic root of 64334375 is about 400.6954049127.

The spelling of 64334375 in words is "sixty-four million, three hundred thirty-four thousand, three hundred seventy-five".