68553030 has 64 divisors (see below), whose sum is σ = 202503168. Its totient is φ = 14463360.

The previous prime is 68553029. The next prime is 68553047. The reversal of 68553030 is 3035586.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9826 + ... + 15285.

It is an arithmetic number, because the mean of its divisors is an integer number (3164112).

Almost surely, 2^68553030 is an apocalyptic number.

68553030 is an abundant number, since it is smaller than the sum of its proper divisors (133950138).

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

68553030 is a wasteful number, since it uses less digits than its factorization.

68553030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25141.

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 68553030 is about 8279.6757182875. The cubic root of 68553030 is about 409.2690326895.

The spelling of 68553030 in words is "sixty-eight million, five hundred fifty-three thousand, thirty".