68954005 has 8 divisors (see below), whose sum is σ = 84763224. Its totient is φ = 53817600.

The previous prime is 68953991. The next prime is 68954009. The reversal of 68954005 is 50045986.

It can be written as a sum of positive squares in 4 ways, for example, as 1418481 + 67535524 = 1191^2 + 8218^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 68954005 - 2⁷ = 68953877 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68954009) 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, 167976 + ... + 168385.

It is an arithmetic number, because the mean of its divisors is an integer number (10595403).

Almost surely, 2^68954005 is an apocalyptic number.

It is an amenable number.

68954005 is a deficient number, since it is larger than the sum of its proper divisors (15809219).

68954005 is a wasteful number, since it uses less digits than its factorization.

68954005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336407.

The product of its (nonzero) digits is 43200, while the sum is 37.

The square root of 68954005 is about 8303.8548277291. The cubic root of 68954005 is about 410.0654367101.

The spelling of 68954005 in words is "sixty-eight million, nine hundred fifty-four thousand, five".