64302340 has 12 divisors (see below), whose sum is σ = 135034956. Its totient is φ = 25720928.

The previous prime is 64302331. The next prime is 64302353. The reversal of 64302340 is 4320346.

It can be written as a sum of positive squares in 2 ways, for example, as 14853316 + 49449024 = 3854^2 + 7032^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1607539 + ... + 1607578.

It is an arithmetic number, because the mean of its divisors is an integer number (11252913).

Almost surely, 2^64302340 is an apocalyptic number.

It is an amenable number.

64302340 is an abundant number, since it is smaller than the sum of its proper divisors (70732616).

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

64302340 is a wasteful number, since it uses less digits than its factorization.

64302340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3215126 (or 3215124 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 64302340 is about 8018.8739857913. The cubic root of 64302340 is about 400.6288857386.

Adding to 64302340 its reverse (4320346), we get a palindrome (68622686).

The spelling of 64302340 in words is "sixty-four million, three hundred two thousand, three hundred forty".