742155 has 8 divisors (see below), whose sum is σ = 1187472. Its totient is φ = 395808.

The previous prime is 742153. The next prime is 742193. The reversal of 742155 is 551247.

742155 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 742155 - 2¹ = 742153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (742151) 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, 24724 + ... + 24753.

It is an arithmetic number, because the mean of its divisors is an integer number (148434).

2⁷⁴²¹⁵⁵ is an apocalyptic number.

742155 is a deficient number, since it is larger than the sum of its proper divisors (445317).

742155 is a wasteful number, since it uses less digits than its factorization.

742155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49485.

The product of its digits is 1400, while the sum is 24.

The square root of 742155 is about 861.4841844166. The cubic root of 742155 is about 90.5381339654.

The spelling of 742155 in words is "seven hundred forty-two thousand, one hundred fifty-five".