68977237 has 8 divisors (see below), whose sum is σ = 80008256. Its totient is φ = 58240512.

The previous prime is 68977231. The next prime is 68977241. The reversal of 68977237 is 73277986.

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

It is a cyclic number.

It is not a de Polignac number, because 68977237 - 2¹⁹ = 68452949 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 (68977231) 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, 73068 + ... + 74005.

It is an arithmetic number, because the mean of its divisors is an integer number (10001032).

Almost surely, 2^68977237 is an apocalyptic number.

68977237 is a gapful number since it is divisible by the number (67) formed by its first and last digit.

It is an amenable number.

68977237 is a deficient number, since it is larger than the sum of its proper divisors (11031019).

68977237 is a wasteful number, since it uses less digits than its factorization.

68977237 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147147.

The product of its digits is 889056, while the sum is 49.

The square root of 68977237 is about 8305.2535783081. The cubic root of 68977237 is about 410.1114846543. Note that the first 3 decimals are identical.

The spelling of 68977237 in words is "sixty-eight million, nine hundred seventy-seven thousand, two hundred thirty-seven".