64837452 has 24 divisors (see below), whose sum is σ = 151745776. Its totient is φ = 21547008.

The previous prime is 64837447. The next prime is 64837453. The reversal of 64837452 is 25473846.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 64837452.

It is not an unprimeable number, because it can be changed into a prime (64837453) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3973 + ... + 12060.

Almost surely, 2^64837452 is an apocalyptic number.

It is an amenable number.

64837452 is an abundant number, since it is smaller than the sum of its proper divisors (86908324).

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

64837452 is a wasteful number, since it uses less digits than its factorization.

64837452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16377 (or 16375 counting only the distinct ones).

The product of its digits is 161280, while the sum is 39.

The square root of 64837452 is about 8052.1706390265. The cubic root of 64837452 is about 401.7371366365.

The spelling of 64837452 in words is "sixty-four million, eight hundred thirty-seven thousand, four hundred fifty-two".