64546524 has 72 divisors (see below), whose sum is σ = 194680080. Its totient is φ = 18440352.

The previous prime is 64546519. The next prime is 64546541. The reversal of 64546524 is 42564546.

64546524 is a `hidden beast` number, since 64 + 546 + 52 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 807 + ... + 11390.

It is an arithmetic number, because the mean of its divisors is an integer number (2703890).

Almost surely, 2^64546524 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64546524, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97340040).

64546524 is an abundant number, since it is smaller than the sum of its proper divisors (130133556).

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

64546524 is a wasteful number, since it uses less digits than its factorization.

64546524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12224 (or 12209 counting only the distinct ones).

The product of its digits is 115200, while the sum is 36.

The square root of 64546524 is about 8034.0851377117. The cubic root of 64546524 is about 401.1353659778.

The spelling of 64546524 in words is "sixty-four million, five hundred forty-six thousand, five hundred twenty-four".