68911230 has 16 divisors (see below), whose sum is σ = 165387024. Its totient is φ = 18376320.

The previous prime is 68911211. The next prime is 68911231. The reversal of 68911230 is 3211986.

It is a super-2 number, since 2×68911230² = 9497515240225800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 2297041 = 68911230 / (6 + 8 + 9 + 1 + 1 + 2 + 3 + 0).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68911231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1148491 + ... + 1148550.

It is an arithmetic number, because the mean of its divisors is an integer number (10336689).

Almost surely, 2^68911230 is an apocalyptic number.

68911230 is an abundant number, since it is smaller than the sum of its proper divisors (96475794).

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

68911230 is a wasteful number, since it uses less digits than its factorization.

68911230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2297051.

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 68911230 is about 8301.2788171462. The cubic root of 68911230 is about 409.9806256956.

The spelling of 68911230 in words is "sixty-eight million, nine hundred eleven thousand, two hundred thirty".