64861032 has 32 divisors (see below), whose sum is σ = 162470880. Its totient is φ = 21577920.

The previous prime is 64861019. The next prime is 64861039. The reversal of 64861032 is 23016846.

It is not an unprimeable number, because it can be changed into a prime (64861039) 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, 11338 + ... + 16070.

It is an arithmetic number, because the mean of its divisors is an integer number (5077215).

Almost surely, 2^64861032 is an apocalyptic number.

It is an amenable number.

64861032 is an abundant number, since it is smaller than the sum of its proper divisors (97609848).

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

64861032 is a wasteful number, since it uses less digits than its factorization.

64861032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5313 (or 5309 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 64861032 is about 8053.6347073852. The cubic root of 64861032 is about 401.7858318132.

Adding to 64861032 its reverse (23016846), we get a palindrome (87877878).

It can be divided in two parts, 6 and 4861032, that multiplied together give a palindrome (29166192).

The spelling of 64861032 in words is "sixty-four million, eight hundred sixty-one thousand, thirty-two".