64622352 has 80 divisors (see below), whose sum is σ = 174131712. Its totient is φ = 20628480.

The previous prime is 64622339. The next prime is 64622357. The reversal of 64622352 is 25322646.

It is not an unprimeable number, because it can be changed into a prime (64622357) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 203698 + ... + 204014.

Almost surely, 2^64622352 is an apocalyptic number.

64622352 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64622352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87065856).

64622352 is an abundant number, since it is smaller than the sum of its proper divisors (109509360).

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

64622352 is a wasteful number, since it uses less digits than its factorization.

64622352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 496 (or 490 counting only the distinct ones).

The product of its digits is 17280, while the sum is 30.

The square root of 64622352 is about 8038.8028959541. The cubic root of 64622352 is about 401.2923865123.

Adding to 64622352 its reverse (25322646), we get a palindrome (89944998).

The spelling of 64622352 in words is "sixty-four million, six hundred twenty-two thousand, three hundred fifty-two".