67040755 has 16 divisors (see below), whose sum is σ = 83303424. Its totient is φ = 51740640.

The previous prime is 67040749. The next prime is 67040761. The reversal of 67040755 is 55704076.

It is an interprime number because it is at equal distance from previous prime (67040749) and next prime (67040761).

It is not a de Polignac number, because 67040755 - 2⁵ = 67040723 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 67040755.

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, 80652 + ... + 81478.

It is an arithmetic number, because the mean of its divisors is an integer number (5206464).

Almost surely, 2^67040755 is an apocalyptic number.

67040755 is a deficient number, since it is larger than the sum of its proper divisors (16262669).

67040755 is a wasteful number, since it uses less digits than its factorization.

67040755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1386.

The product of its (nonzero) digits is 29400, while the sum is 34.

The square root of 67040755 is about 8187.8419012582. The cubic root of 67040755 is about 406.2371457866.

The spelling of 67040755 in words is "sixty-seven million, forty thousand, seven hundred fifty-five".