68738452 has 24 divisors (see below), whose sum is σ = 124706120. Its totient is φ = 33125760.

The previous prime is 68738441. The next prime is 68738459. The reversal of 68738452 is 25483786.

It can be written as a sum of positive squares in 4 ways, for example, as 50041476 + 18696976 = 7074^2 + 4324^2 .

It is a junction number, because it is equal to n+sod(n) for n = 68738399 and 68738408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68738459) 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, 14002 + ... + 18262.

Almost surely, 2^68738452 is an apocalyptic number.

It is an amenable number.

68738452 is a deficient number, since it is larger than the sum of its proper divisors (55967668).

68738452 is a wasteful number, since it uses less digits than its factorization.

68738452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4411 (or 4409 counting only the distinct ones).

The product of its digits is 322560, while the sum is 43.

The square root of 68738452 is about 8290.8655760421. The cubic root of 68738452 is about 409.6376969928.

The spelling of 68738452 in words is "sixty-eight million, seven hundred thirty-eight thousand, four hundred fifty-two".