64289295 has 48 divisors (see below), whose sum is σ = 132088320. Its totient is φ = 29385504.

The previous prime is 64289287. The next prime is 64289299. The reversal of 64289295 is 59298246.

It is not a de Polignac number, because 64289295 - 2³ = 64289287 is a prime.

It is a super-2 number, since 2×64289295² = 8266226903194050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 64289295.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64289299) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4726 + ... + 12284.

It is an arithmetic number, because the mean of its divisors is an integer number (2751840).

Almost surely, 2^64289295 is an apocalyptic number.

64289295 is an abundant number, since it is smaller than the sum of its proper divisors (67799025).

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

64289295 is an equidigital number, since it uses as much as digits as its factorization.

64289295 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7586 (or 7574 counting only the distinct ones).

The product of its digits is 311040, while the sum is 45.

The square root of 64289295 is about 8018.0605510310. The cubic root of 64289295 is about 400.6017920784.

The spelling of 64289295 in words is "sixty-four million, two hundred eighty-nine thousand, two hundred ninety-five".