64709465 has 8 divisors (see below), whose sum is σ = 81027648. Its totient is φ = 49516720.

The previous prime is 64709461. The next prime is 64709467. The reversal of 64709465 is 56490746.

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

It is not a de Polignac number, because 64709465 - 2² = 64709461 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (64709461) 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, 281231 + ... + 281460.

It is an arithmetic number, because the mean of its divisors is an integer number (10128456).

Almost surely, 2^64709465 is an apocalyptic number.

It is an amenable number.

64709465 is a deficient number, since it is larger than the sum of its proper divisors (16318183).

64709465 is a wasteful number, since it uses less digits than its factorization.

64709465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 562719.

The product of its (nonzero) digits is 181440, while the sum is 41.

The square root of 64709465 is about 8044.2193530510. The cubic root of 64709465 is about 401.4726238774.

The spelling of 64709465 in words is "sixty-four million, seven hundred nine thousand, four hundred sixty-five".