64340755 has 8 divisors (see below), whose sum is σ = 77252400. Its totient is φ = 51443616.

The previous prime is 64340747. The next prime is 64340761. The reversal of 64340755 is 55704346.

It is a happy number.

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 64340755 - 2³ = 64340747 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 64340755.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13476 + ... + 17614.

It is an arithmetic number, because the mean of its divisors is an integer number (9656550).

Almost surely, 2^64340755 is an apocalyptic number.

64340755 is a deficient number, since it is larger than the sum of its proper divisors (12911645).

64340755 is a wasteful number, since it uses less digits than its factorization.

64340755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7253.

The product of its (nonzero) digits is 50400, while the sum is 34.

The square root of 64340755 is about 8021.2689145795. The cubic root of 64340755 is about 400.7086500464.

The spelling of 64340755 in words is "sixty-four million, three hundred forty thousand, seven hundred fifty-five".