68469072 has 120 divisors (see below), whose sum is σ = 210852576. Its totient is φ = 19079424.

The previous prime is 68469067. The next prime is 68469077. The reversal of 68469072 is 27096486.

It is an interprime number because it is at equal distance from previous prime (68469067) and next prime (68469077).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68469077) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 100798 + ... + 101474.

Almost surely, 2^68469072 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68469072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (105426288).

68469072 is an abundant number, since it is smaller than the sum of its proper divisors (142383504).

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

68469072 is a wasteful number, since it uses less digits than its factorization.

68469072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 745 (or 732 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 42.

The square root of 68469072 is about 8274.6040388649. The cubic root of 68469072 is about 409.1018849760.

The spelling of 68469072 in words is "sixty-eight million, four hundred sixty-nine thousand, seventy-two".