68540352 has 28 divisors (see below), whose sum is σ = 181346856. Its totient is φ = 22846720.

The previous prime is 68540341. The next prime is 68540363. The reversal of 68540352 is 25304586.

It is an interprime number because it is at equal distance from previous prime (68540341) and next prime (68540363).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 178299 + ... + 178682.

Almost surely, 2^68540352 is an apocalyptic number.

It is an amenable number.

68540352 is an abundant number, since it is smaller than the sum of its proper divisors (112806504).

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

68540352 is a wasteful number, since it uses less digits than its factorization.

68540352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 356996 (or 356986 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 33.

The square root of 68540352 is about 8278.9100731920. The cubic root of 68540352 is about 409.2438014552.

The spelling of 68540352 in words is "sixty-eight million, five hundred forty thousand, three hundred fifty-two".