68630292 has 72 divisors (see below), whose sum is σ = 185342976. Its totient is φ = 21337344.

The previous prime is 68630291. The next prime is 68630297. The reversal of 68630292 is 29203686.

68630292 is nontrivially palindromic in base 16.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68630291) 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, 77283 + ... + 78165.

It is an arithmetic number, because the mean of its divisors is an integer number (2574208).

Almost surely, 2^68630292 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 68630292, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92671488).

68630292 is an abundant number, since it is smaller than the sum of its proper divisors (116712684).

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

68630292 is a wasteful number, since it uses less digits than its factorization.

68630292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1037 (or 1032 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 68630292 is about 8284.3401668449. The cubic root of 68630292 is about 409.4227291397.

The spelling of 68630292 in words is "sixty-eight million, six hundred thirty thousand, two hundred ninety-two".