68292445 has 16 divisors (see below), whose sum is σ = 88910640. Its totient is φ = 50056704.

The previous prime is 68292443. The next prime is 68292493. The reversal of 68292445 is 54429286.

It can be written as a sum of positive squares in 8 ways, for example, as 213444 + 68079001 = 462^2 + 8251^2 .

It is a cyclic number.

It is not a de Polignac number, because 68292445 - 2¹ = 68292443 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 68292398 and 68292407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68292443) 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, 5071 + ... + 12739.

It is an arithmetic number, because the mean of its divisors is an integer number (5556915).

Almost surely, 2^68292445 is an apocalyptic number.

68292445 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

68292445 is a deficient number, since it is larger than the sum of its proper divisors (20618195).

68292445 is a wasteful number, since it uses less digits than its factorization.

68292445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7824.

The product of its digits is 138240, while the sum is 40.

The square root of 68292445 is about 8263.9243099148. The cubic root of 68292445 is about 408.7498006464.

The spelling of 68292445 in words is "sixty-eight million, two hundred ninety-two thousand, four hundred forty-five".