68474952 has 144 divisors (see below), whose sum is σ = 232481340. Its totient is φ = 18047232.

The previous prime is 68474947. The next prime is 68474969. The reversal of 68474952 is 25947486.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 68459076 + 15876 = 8274^2 + 126^2 .

It is a junction number, because it is equal to n+sod(n) for n = 68474898 and 68474907.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 45118 + ... + 46610.

Almost surely, 2^68474952 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68474952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (116240670).

68474952 is an abundant number, since it is smaller than the sum of its proper divisors (164006388).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68474952 is a wasteful number, since it uses less digits than its factorization.

68474952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1532 (or 1518 counting only the distinct ones).

The product of its digits is 483840, while the sum is 45.

The square root of 68474952 is about 8274.9593352475. The cubic root of 68474952 is about 409.1135956173.

The spelling of 68474952 in words is "sixty-eight million, four hundred seventy-four thousand, nine hundred fifty-two".