68252536 has 32 divisors (see below), whose sum is σ = 143020080. Its totient is φ = 30265600.

The previous prime is 68252533. The next prime is 68252539. The reversal of 68252536 is 63525286.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (68252533) and next prime (68252539).

It is a junction number, because it is equal to n+sod(n) for n = 68252495 and 68252504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68252533) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5851 + ... + 13066.

Almost surely, 2^68252536 is an apocalyptic number.

It is an amenable number.

68252536 is an abundant number, since it is smaller than the sum of its proper divisors (74767544).

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

68252536 is a wasteful number, since it uses less digits than its factorization.

68252536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18975 (or 18971 counting only the distinct ones).

The product of its digits is 86400, while the sum is 37.

The square root of 68252536 is about 8261.5093052057. The cubic root of 68252536 is about 408.6701628745.

The spelling of 68252536 in words is "sixty-eight million, two hundred fifty-two thousand, five hundred thirty-six".