68420946 has 16 divisors (see below), whose sum is σ = 149282208. Its totient is φ = 20733600.

The previous prime is 68420941. The next prime is 68420953. The reversal of 68420946 is 64902486.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (68420941) 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, 518275 + ... + 518406.

It is an arithmetic number, because the mean of its divisors is an integer number (9330138).

Almost surely, 2^68420946 is an apocalyptic number.

68420946 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

68420946 is an abundant number, since it is smaller than the sum of its proper divisors (80861262).

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

68420946 is a wasteful number, since it uses less digits than its factorization.

68420946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1036697.

The product of its (nonzero) digits is 82944, while the sum is 39.

The square root of 68420946 is about 8271.6954731180. The cubic root of 68420946 is about 409.0060117520.

The spelling of 68420946 in words is "sixty-eight million, four hundred twenty thousand, nine hundred forty-six".