68890250 has 128 divisors (see below), whose sum is σ = 158505984. Its totient is φ = 22080000.

The previous prime is 68890247. The next prime is 68890279. The reversal of 68890250 is 5209886.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1465727 + ... + 1465773.

It is an arithmetic number, because the mean of its divisors is an integer number (1238328).

Almost surely, 2^68890250 is an apocalyptic number.

68890250 is an abundant number, since it is smaller than the sum of its proper divisors (89615734).

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

68890250 is a wasteful number, since it uses less digits than its factorization.

68890250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129 (or 119 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 38.

The square root of 68890250 is about 8300.0150602273. The cubic root of 68890250 is about 409.9390153196.

It can be divided in two parts, 68890 and 250, that multiplied together give a square (17222500 = 4150²).

The spelling of 68890250 in words is "sixty-eight million, eight hundred ninety thousand, two hundred fifty".