67996735 has 16 divisors (see below), whose sum is σ = 85263840. Its totient is φ = 51990400.

The previous prime is 67996727. The next prime is 67996739. The reversal of 67996735 is 53769976.

It is not a de Polignac number, because 67996735 - 2³ = 67996727 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67996739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12324 + ... + 16966.

It is an arithmetic number, because the mean of its divisors is an integer number (5328990).

Almost surely, 2^67996735 is an apocalyptic number.

67996735 is a deficient number, since it is larger than the sum of its proper divisors (17267105).

67996735 is a wasteful number, since it uses less digits than its factorization.

67996735 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4778.

The product of its digits is 2143260, while the sum is 52.

The square root of 67996735 is about 8246.0132791550. The cubic root of 67996735 is about 408.1589774382.

The spelling of 67996735 in words is "sixty-seven million, nine hundred ninety-six thousand, seven hundred thirty-five".