67506436 has 12 divisors (see below), whose sum is σ = 118196428. Its totient is φ = 33736032.

The previous prime is 67506433. The next prime is 67506451. The reversal of 67506436 is 63460576.

It can be written as a sum of positive squares in 2 ways, for example, as 60746436 + 6760000 = 7794^2 + 2600^2 .

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 67506395 and 67506404.

It is not an unprimeable number, because it can be changed into a prime (67506433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9370 + ... + 14926.

Almost surely, 2^67506436 is an apocalyptic number.

It is an amenable number.

67506436 is a deficient number, since it is larger than the sum of its proper divisors (50689992).

67506436 is a wasteful number, since it uses less digits than its factorization.

67506436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8598 (or 8596 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 37.

The square root of 67506436 is about 8216.2300357281. The cubic root of 67506436 is about 407.1755828126.

The spelling of 67506436 in words is "sixty-seven million, five hundred six thousand, four hundred thirty-six".