64800452 has 12 divisors (see below), whose sum is σ = 114229500. Its totient is φ = 32163456.

The previous prime is 64800433. The next prime is 64800497. The reversal of 64800452 is 25400846.

It can be written as a sum of positive squares in 2 ways, for example, as 25060036 + 39740416 = 5006^2 + 6304^2 .

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, 58577 + ... + 59672.

It is an arithmetic number, because the mean of its divisors is an integer number (9519125).

Almost surely, 2^64800452 is an apocalyptic number.

It is an amenable number.

64800452 is a deficient number, since it is larger than the sum of its proper divisors (49429048).

64800452 is a wasteful number, since it uses less digits than its factorization.

64800452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118390 (or 118388 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 29.

The square root of 64800452 is about 8049.8727940260. The cubic root of 64800452 is about 401.6607039474.

The spelling of 64800452 in words is "sixty-four million, eight hundred thousand, four hundred fifty-two".