68621152 has 24 divisors (see below), whose sum is σ = 135313416. Its totient is φ = 34255872.

The previous prime is 68621149. The next prime is 68621153. The reversal of 68621152 is 25112686.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68621153) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25168 + ... + 27760.

It is an arithmetic number, because the mean of its divisors is an integer number (5638059).

Almost surely, 2^68621152 is an apocalyptic number.

It is an amenable number.

68621152 is a deficient number, since it is larger than the sum of its proper divisors (66692264).

68621152 is a wasteful number, since it uses less digits than its factorization.

68621152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3430 (or 3422 counting only the distinct ones).

The product of its digits is 5760, while the sum is 31.

The square root of 68621152 is about 8283.7885052674. The cubic root of 68621152 is about 409.4045530556.

The spelling of 68621152 in words is "sixty-eight million, six hundred twenty-one thousand, one hundred fifty-two".