67752513 has 12 divisors (see below), whose sum is σ = 100510228. Its totient is φ = 43947360.

The previous prime is 67752511. The next prime is 67752523. The reversal of 67752513 is 31525776.

It can be written as a sum of positive squares in 2 ways, for example, as 64112049 + 3640464 = 8007^2 + 1908^2 .

It is not a de Polignac number, because 67752513 - 2¹ = 67752511 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (67752511) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 101398 + ... + 102063.

Almost surely, 2^67752513 is an apocalyptic number.

It is an amenable number.

67752513 is a deficient number, since it is larger than the sum of its proper divisors (32757715).

67752513 is a wasteful number, since it uses less digits than its factorization.

67752513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203504 (or 203501 counting only the distinct ones).

The product of its digits is 44100, while the sum is 36.

The square root of 67752513 is about 8231.1914690402. The cubic root of 67752513 is about 407.6697334499.

It can be divided in two parts, 67752 and 513, that added together give a triangular number (68265 = T₃₆₉).

The spelling of 67752513 in words is "sixty-seven million, seven hundred fifty-two thousand, five hundred thirteen".