68070452 has 6 divisors (see below), whose sum is σ = 119123298. Its totient is φ = 34035224.

The previous prime is 68070433. The next prime is 68070463. The reversal of 68070452 is 25407086.

It can be written as a sum of positive squares in only one way, i.e., 53523856 + 14546596 = 7316^2 + 3814^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8508803 + ... + 8508810.

It is an arithmetic number, because the mean of its divisors is an integer number (19853883).

Almost surely, 2^68070452 is an apocalyptic number.

It is an amenable number.

68070452 is a deficient number, since it is larger than the sum of its proper divisors (51052846).

68070452 is a wasteful number, since it uses less digits than its factorization.

68070452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17017617 (or 17017615 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 68070452 is about 8250.4819253181. The cubic root of 68070452 is about 408.3064226978.

The spelling of 68070452 in words is "sixty-eight million, seventy thousand, four hundred fifty-two".