67764375 has 60 divisors (see below), whose sum is σ = 139867728. Its totient is φ = 30960000.

The previous prime is 67764373. The next prime is 67764379. The reversal of 67764375 is 57346776.

It is not a de Polignac number, because 67764375 - 2¹ = 67764373 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 67764375.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67764373) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 38515 + ... + 40235.

Almost surely, 2^67764375 is an apocalyptic number.

67764375 is an abundant number, since it is smaller than the sum of its proper divisors (72103353).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

67764375 is a wasteful number, since it uses less digits than its factorization.

67764375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1754 (or 1736 counting only the distinct ones).

The product of its digits is 740880, while the sum is 45.

The square root of 67764375 is about 8231.9119893254. The cubic root of 67764375 is about 407.6935234466.

The spelling of 67764375 in words is "sixty-seven million, seven hundred sixty-four thousand, three hundred seventy-five".