68977245 has 32 divisors (see below), whose sum is σ = 117476352. Its totient is φ = 34440192.

The previous prime is 68977241. The next prime is 68977267. The reversal of 68977245 is 54277986.

It is not a de Polignac number, because 68977245 - 2² = 68977241 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 68977194 and 68977203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68977241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 56259 + ... + 57471.

It is an arithmetic number, because the mean of its divisors is an integer number (3671136).

Almost surely, 2^68977245 is an apocalyptic number.

It is an amenable number.

68977245 is a deficient number, since it is larger than the sum of its proper divisors (48499107).

68977245 is a wasteful number, since it uses less digits than its factorization.

68977245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1461.

The product of its digits is 846720, while the sum is 48.

The square root of 68977245 is about 8305.2540599310. The cubic root of 68977245 is about 410.1115005092. Note that the first 3 decimals are identical.

The spelling of 68977245 in words is "sixty-eight million, nine hundred seventy-seven thousand, two hundred forty-five".