68014431 has 16 divisors (see below), whose sum is σ = 101351520. Its totient is φ = 45077760.

The previous prime is 68014411. The next prime is 68014459. The reversal of 68014431 is 13441086.

It is not a de Polignac number, because 68014431 - 2⁹ = 68013919 is a prime.

It is a super-2 number, since 2×68014431² = 9251925648507522, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 68014395 and 68014404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68014411) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2610 + ... + 11951.

It is an arithmetic number, because the mean of its divisors is an integer number (6334470).

Almost surely, 2^68014431 is an apocalyptic number.

68014431 is a deficient number, since it is larger than the sum of its proper divisors (33337089).

68014431 is a wasteful number, since it uses less digits than its factorization.

68014431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14743 (or 14737 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 68014431 is about 8247.0862127178. The cubic root of 68014431 is about 408.1943818577.

The spelling of 68014431 in words is "sixty-eight million, fourteen thousand, four hundred thirty-one".