64062500 has 54 divisors (see below), whose sum is σ = 143554614. Its totient is φ = 25000000.

The previous prime is 64062499. The next prime is 64062529. The reversal of 64062500 is 526046.

It can be written as a sum of positive squares in 9 ways, for example, as 6666724 + 57395776 = 2582^2 + 7576^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1562480 + ... + 1562520.

Almost surely, 2^64062500 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 64062500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71777307).

64062500 is an abundant number, since it is smaller than the sum of its proper divisors (79492114).

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

64062500 is an frugal number, since it uses more digits than its factorization.

64062500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85 (or 48 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 64062500 is about 8003.9052967911. The cubic root of 64062500 is about 400.1301659708.

Adding to 64062500 its reverse (526046), we get a palindrome (64588546).

The spelling of 64062500 in words is "sixty-four million, sixty-two thousand, five hundred".