64260172 has 24 divisors (see below), whose sum is σ = 117552960. Its totient is φ = 30696960.

The previous prime is 64260167. The next prime is 64260181. The reversal of 64260172 is 27106246.

It is a self number, because there is not a number n which added to its sum of digits gives 64260172.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8397 + ... + 14107.

It is an arithmetic number, because the mean of its divisors is an integer number (4898040).

Almost surely, 2^64260172 is an apocalyptic number.

It is an amenable number.

64260172 is a deficient number, since it is larger than the sum of its proper divisors (53292788).

64260172 is a wasteful number, since it uses less digits than its factorization.

64260172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5841 (or 5839 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 64260172 is about 8016.2442577556. The cubic root of 64260172 is about 400.5412921765.

The spelling of 64260172 in words is "sixty-four million, two hundred sixty thousand, one hundred seventy-two".