68693352 has 128 divisors (see below), whose sum is σ = 214824960. Its totient is φ = 17821440.

The previous prime is 68693347. The next prime is 68693357. The reversal of 68693352 is 25339686.

It is an interprime number because it is at equal distance from previous prime (68693347) and next prime (68693357).

It is a super-3 number, since 3×68693352³ (a number of 24 digits) contains 333 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (68693357) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 154843 + ... + 155285.

It is an arithmetic number, because the mean of its divisors is an integer number (1678320).

Almost surely, 2^68693352 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 68693352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (107412480).

68693352 is an abundant number, since it is smaller than the sum of its proper divisors (146131608).

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

68693352 is a wasteful number, since it uses less digits than its factorization.

68693352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 543 (or 539 counting only the distinct ones).

The product of its digits is 233280, while the sum is 42.

The square root of 68693352 is about 8288.1452689972. The cubic root of 68693352 is about 409.5480882341.

The spelling of 68693352 in words is "sixty-eight million, six hundred ninety-three thousand, three hundred fifty-two".