67940955 has 24 divisors (see below), whose sum is σ = 118003392. Its totient is φ = 36161664.

The previous prime is 67940953. The next prime is 67941043. The reversal of 67940955 is 55904976.

It is a happy number.

It is not a de Polignac number, because 67940955 - 2¹ = 67940953 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 67940955.

It is not an unprimeable number, because it can be changed into a prime (67940953) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26542 + ... + 28988.

It is an arithmetic number, because the mean of its divisors is an integer number (4916808).

Almost surely, 2^67940955 is an apocalyptic number.

67940955 is a deficient number, since it is larger than the sum of its proper divisors (50062437).

67940955 is a wasteful number, since it uses less digits than its factorization.

67940955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3075 (or 3072 counting only the distinct ones).

The product of its (nonzero) digits is 340200, while the sum is 45.

The square root of 67940955 is about 8242.6303447383. The cubic root of 67940955 is about 408.0473380772.

The spelling of 67940955 in words is "sixty-seven million, nine hundred forty thousand, nine hundred fifty-five".