64726248 has 16 divisors (see below), whose sum is σ = 161815680. Its totient is φ = 21575408.

The previous prime is 64726247. The next prime is 64726267. The reversal of 64726248 is 84262746.

It is not an unprimeable number, because it can be changed into a prime (64726243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1348440 + ... + 1348487.

It is an arithmetic number, because the mean of its divisors is an integer number (10113480).

Almost surely, 2^64726248 is an apocalyptic number.

It is an amenable number.

64726248 is an abundant number, since it is smaller than the sum of its proper divisors (97089432).

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

64726248 is a wasteful number, since it uses less digits than its factorization.

64726248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2696936 (or 2696932 counting only the distinct ones).

The product of its digits is 129024, while the sum is 39.

The square root of 64726248 is about 8045.2624568749. The cubic root of 64726248 is about 401.5073294268.

It can be divided in two parts, 6472 and 6248, that added together give a triangular number (12720 = T₁₅₉).

The spelling of 64726248 in words is "sixty-four million, seven hundred twenty-six thousand, two hundred forty-eight".