67838536 has 8 divisors (see below), whose sum is σ = 127197270. Its totient is φ = 33919264.

The previous prime is 67838521. The next prime is 67838549. The reversal of 67838536 is 63583876.

It can be written as a sum of positive squares in only one way, i.e., 48916036 + 18922500 = 6994^2 + 4350^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4239901 + ... + 4239916.

Almost surely, 2^67838536 is an apocalyptic number.

It is an amenable number.

67838536 is a deficient number, since it is larger than the sum of its proper divisors (59358734).

67838536 is a wasteful number, since it uses less digits than its factorization.

67838536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8479823 (or 8479819 counting only the distinct ones).

The product of its digits is 725760, while the sum is 46.

The square root of 67838536 is about 8236.4152396537. The cubic root of 67838536 is about 407.8421951562.

The spelling of 67838536 in words is "sixty-seven million, eight hundred thirty-eight thousand, five hundred thirty-six".