68747450 has 24 divisors (see below), whose sum is σ = 128131680. Its totient is φ = 27442800.

The previous prime is 68747407. The next prime is 68747461. The reversal of 68747450 is 5474786.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 68747398 and 68747407.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30461 + ... + 32639.

It is an arithmetic number, because the mean of its divisors is an integer number (5338820).

Almost surely, 2^68747450 is an apocalyptic number.

68747450 is a deficient number, since it is larger than the sum of its proper divisors (59384230).

68747450 is a wasteful number, since it uses less digits than its factorization.

68747450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2822 (or 2817 counting only the distinct ones).

The product of its (nonzero) digits is 188160, while the sum is 41.

The square root of 68747450 is about 8291.4082036769. The cubic root of 68747450 is about 409.6555703426.

The spelling of 68747450 in words is "sixty-eight million, seven hundred forty-seven thousand, four hundred fifty".