68977401 has 4 divisors (see below), whose sum is σ = 91969872. Its totient is φ = 45984932.

The previous prime is 68977373. The next prime is 68977427. The reversal of 68977401 is 10477986.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 68977401 - 2⁹ = 68976889 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68977451) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11496231 + ... + 11496236.

It is an arithmetic number, because the mean of its divisors is an integer number (22992468).

Almost surely, 2^68977401 is an apocalyptic number.

It is an amenable number.

68977401 is a deficient number, since it is larger than the sum of its proper divisors (22992471).

68977401 is a wasteful number, since it uses less digits than its factorization.

68977401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22992470.

The product of its (nonzero) digits is 84672, while the sum is 42.

The square root of 68977401 is about 8305.2634515709. The cubic root of 68977401 is about 410.1118096805. Note that the first 3 decimals are identical.

It can be divided in two parts, 68977 and 401, that added together give a triangular number (69378 = T₃₇₂).

The spelling of 68977401 in words is "sixty-eight million, nine hundred seventy-seven thousand, four hundred one".