68652450 has 108 divisors (see below), whose sum is σ = 192093174. Its totient is φ = 17568000.

The previous prime is 68652433. The next prime is 68652461. The reversal of 68652450 is 5425686.

68652450 is a `hidden beast` number, since 6 + 86 + 524 + 50 = 666.

It can be written as a sum of positive squares in 9 ways, for example, as 24176889 + 44475561 = 4917^2 + 6669^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 1125420 + ... + 1125480.

Almost surely, 2^68652450 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68652450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96046587).

68652450 is an abundant number, since it is smaller than the sum of its proper divisors (123440724).

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

68652450 is a wasteful number, since it uses less digits than its factorization.

68652450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181 (or 112 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The square root of 68652450 is about 8285.6774013957. The cubic root of 68652450 is about 409.4667865203.

The spelling of 68652450 in words is "sixty-eight million, six hundred fifty-two thousand, four hundred fifty".