74765 has 8 divisors (see below), whose sum is σ = 94560. Its totient is φ = 56592.

The previous prime is 74761. The next prime is 74771. The reversal of 74765 is 56747.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 74765 - 2² = 74761 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74761) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 299 + ... + 488.

It is an arithmetic number, because the mean of its divisors is an integer number (11820).

2⁷⁴⁷⁶⁵ is an apocalyptic number.

It is an amenable number.

74765 is a deficient number, since it is larger than the sum of its proper divisors (19795).

74765 is a wasteful number, since it uses less digits than its factorization.

74765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 811.

The product of its digits is 5880, while the sum is 29.

The square root of 74765 is about 273.4318927997. The cubic root of 74765 is about 42.1275412532.

The spelling of 74765 in words is "seventy-four thousand, seven hundred sixty-five".