68946930 has 96 divisors (see below), whose sum is σ = 199221120. Its totient is φ = 16960320.

The previous prime is 68946929. The next prime is 68946973. The reversal of 68946930 is 3964986.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 44875 + ... + 46385.

It is an arithmetic number, because the mean of its divisors is an integer number (2075220).

Almost surely, 2^68946930 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68946930, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99610560).

68946930 is an abundant number, since it is smaller than the sum of its proper divisors (130274190).

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

68946930 is a wasteful number, since it uses less digits than its factorization.

68946930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1553 (or 1534 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 45.

The square root of 68946930 is about 8303.4288098351. The cubic root of 68946930 is about 410.0514113599.

It can be divided in two parts, 6894 and 6930, that added together give a cube (13824 = 24³).

The spelling of 68946930 in words is "sixty-eight million, nine hundred forty-six thousand, nine hundred thirty".