67996955 has 16 divisors (see below), whose sum is σ = 88349184. Its totient is φ = 49941120.

The previous prime is 67996949. The next prime is 67996963. The reversal of 67996955 is 55969976.

It is not a de Polignac number, because 67996955 - 2⁶ = 67996891 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 67996955.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9677 + ... + 15153.

It is an arithmetic number, because the mean of its divisors is an integer number (5521824).

Almost surely, 2^67996955 is an apocalyptic number.

67996955 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

67996955 is a deficient number, since it is larger than the sum of its proper divisors (20352229).

67996955 is a wasteful number, since it uses less digits than its factorization.

67996955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5686.

The product of its digits is 4592700, while the sum is 56.

The square root of 67996955 is about 8246.0266189238. The cubic root of 67996955 is about 408.1594176303.

The spelling of 67996955 in words is "sixty-seven million, nine hundred ninety-six thousand, nine hundred fifty-five".