68865404 has 24 divisors (see below), whose sum is σ = 128828448. Its totient is φ = 32130560.

The previous prime is 68865389. The next prime is 68865409. The reversal of 68865404 is 40456886.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68865409) 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, 5357 + ... + 12900.

It is an arithmetic number, because the mean of its divisors is an integer number (5367852).

Almost surely, 2^68865404 is an apocalyptic number.

It is an amenable number.

68865404 is a deficient number, since it is larger than the sum of its proper divisors (59963044).

68865404 is a wasteful number, since it uses less digits than its factorization.

68865404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18325 (or 18323 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 41.

The square root of 68865404 is about 8298.5181809766. The cubic root of 68865404 is about 409.8897264411.

The spelling of 68865404 in words is "sixty-eight million, eight hundred sixty-five thousand, four hundred four".