67525506 has 48 divisors (see below), whose sum is σ = 154720800. Its totient is φ = 21225024.

The previous prime is 67525477. The next prime is 67525517. The reversal of 67525506 is 60552576.

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, 118390 + ... + 118958.

It is an arithmetic number, because the mean of its divisors is an integer number (3223350).

Almost surely, 2^67525506 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 67525506, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77360400).

67525506 is an abundant number, since it is smaller than the sum of its proper divisors (87195294).

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

67525506 is a wasteful number, since it uses less digits than its factorization.

67525506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 943 (or 940 counting only the distinct ones).

The product of its (nonzero) digits is 63000, while the sum is 36.

The square root of 67525506 is about 8217.3904616977. The cubic root of 67525506 is about 407.2139204279.

The spelling of 67525506 in words is "sixty-seven million, five hundred twenty-five thousand, five hundred six".