64772148 has 48 divisors (see below), whose sum is σ = 175996800. Its totient is φ = 18155904.

The previous prime is 64772143. The next prime is 64772161. The reversal of 64772148 is 84127746.

64772148 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-4 number, since 4×64772148⁴ (a number of 32 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64772143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2823 + ... + 11726.

It is an arithmetic number, because the mean of its divisors is an integer number (3666600).

Almost surely, 2^64772148 is an apocalyptic number.

It is an amenable number.

64772148 is an abundant number, since it is smaller than the sum of its proper divisors (111224652).

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

64772148 is a wasteful number, since it uses less digits than its factorization.

64772148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14616 (or 14614 counting only the distinct ones).

The product of its digits is 75264, while the sum is 39.

The square root of 64772148 is about 8048.1145618089. The cubic root of 64772148 is about 401.6022153627.

The spelling of 64772148 in words is "sixty-four million, seven hundred seventy-two thousand, one hundred forty-eight".