742165 has 8 divisors (see below), whose sum is σ = 897408. Its totient is φ = 589200.

The previous prime is 742153. The next prime is 742193. The reversal of 742165 is 561247.

742165 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 742165 - 2⁷ = 742037 is a prime.

It is a super-3 number, since 3×742165³ = 1226373233362026375, which contains 333 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 264 + ... + 1246.

It is an arithmetic number, because the mean of its divisors is an integer number (112176).

2⁷⁴²¹⁶⁵ is an apocalyptic number.

It is an amenable number.

742165 is a deficient number, since it is larger than the sum of its proper divisors (155243).

742165 is a wasteful number, since it uses less digits than its factorization.

742165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1139.

The product of its digits is 1680, while the sum is 25.

The square root of 742165 is about 861.4899883342. The cubic root of 742165 is about 90.5385406088.

The spelling of 742165 in words is "seven hundred forty-two thousand, one hundred sixty-five".