68980958 has 4 divisors (see below), whose sum is σ = 103471440. Its totient is φ = 34490478.

The previous prime is 68980949. The next prime is 68980969. The reversal of 68980958 is 85908986.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 85908986 = 2 ⋅42954493.

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 as a sum of consecutive naturals, namely, 17245238 + ... + 17245241.

It is an arithmetic number, because the mean of its divisors is an integer number (25867860).

Almost surely, 2^68980958 is an apocalyptic number.

68980958 is a deficient number, since it is larger than the sum of its proper divisors (34490482).

68980958 is a wasteful number, since it uses less digits than its factorization.

68980958 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34490481.

The product of its (nonzero) digits is 1244160, while the sum is 53.

The square root of 68980958 is about 8305.4775901209. The cubic root of 68980958 is about 410.1188590552.

The spelling of 68980958 in words is "sixty-eight million, nine hundred eighty thousand, nine hundred fifty-eight".