64982526 has 48 divisors (see below), whose sum is σ = 153062784. Its totient is φ = 18335856.

The previous prime is 64982473. The next prime is 64982543. The reversal of 64982526 is 62528946.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23071 + ... + 25733.

It is an arithmetic number, because the mean of its divisors is an integer number (3188808).

Almost surely, 2^64982526 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64982526, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76531392).

64982526 is an abundant number, since it is smaller than the sum of its proper divisors (88080258).

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

64982526 is a wasteful number, since it uses less digits than its factorization.

64982526 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2765 (or 2758 counting only the distinct ones).

The product of its digits is 207360, while the sum is 42.

The square root of 64982526 is about 8061.1739839802. The cubic root of 64982526 is about 402.0365428032.

The spelling of 64982526 in words is "sixty-four million, nine hundred eighty-two thousand, five hundred twenty-six".