68957152 has 48 divisors (see below), whose sum is σ = 148925952. Its totient is φ = 31169920.

The previous prime is 68957143. The next prime is 68957153. The reversal of 68957152 is 25175986.

It is a super-2 number, since 2×68957152² = 9510177623902208, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 68957099 and 68957108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68957153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79473 + ... + 80335.

It is an arithmetic number, because the mean of its divisors is an integer number (3102624).

Almost surely, 2^68957152 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 68957152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74462976).

68957152 is an abundant number, since it is smaller than the sum of its proper divisors (79968800).

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

68957152 is a wasteful number, since it uses less digits than its factorization.

68957152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1111 (or 1103 counting only the distinct ones).

The product of its digits is 151200, while the sum is 43.

The square root of 68957152 is about 8304.0443158740. The cubic root of 68957152 is about 410.0716749569.

The spelling of 68957152 in words is "sixty-eight million, nine hundred fifty-seven thousand, one hundred fifty-two".