68937750 has 128 divisors (see below), whose sum is σ = 218649600. Its totient is φ = 15746400.

The previous prime is 68937749. The next prime is 68937751. The reversal of 68937750 is 5773986.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (68937749) and next prime (68937751).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 68937696 and 68937705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68937751) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 46521 + ... + 47979.

It is an arithmetic number, because the mean of its divisors is an integer number (1708200).

Almost surely, 2^68937750 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68937750, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109324800).

68937750 is an abundant number, since it is smaller than the sum of its proper divisors (149711850).

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

68937750 is a wasteful number, since it uses less digits than its factorization.

68937750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1492 (or 1476 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 45.

The square root of 68937750 is about 8302.8760077457. The cubic root of 68937750 is about 410.0332116662.

The spelling of 68937750 in words is "sixty-eight million, nine hundred thirty-seven thousand, seven hundred fifty".