64862252 has 48 divisors (see below), whose sum is σ = 141675072. Its totient is φ = 25297920.

The previous prime is 64862243. The next prime is 64862267. The reversal of 64862252 is 25226846.

It is a super-2 number, since 2×64862252² = 8414223469023008, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25352 + ... + 27792.

It is an arithmetic number, because the mean of its divisors is an integer number (2951564).

Almost surely, 2^64862252 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64862252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70837536).

64862252 is an abundant number, since it is smaller than the sum of its proper divisors (76812820).

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

64862252 is a wasteful number, since it uses less digits than its factorization.

64862252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2538 (or 2536 counting only the distinct ones).

The product of its digits is 46080, while the sum is 35.

The square root of 64862252 is about 8053.7104492277. The cubic root of 64862252 is about 401.7883509202.

The spelling of 64862252 in words is "sixty-four million, eight hundred sixty-two thousand, two hundred fifty-two".