742115 has 16 divisors (see below), whose sum is σ = 988416. Its totient is φ = 530400.

The previous prime is 742111. The next prime is 742117. The reversal of 742115 is 511247.

742115 = T₃₄ + T₃₅ + ... + T₁₆₄.

It is not a de Polignac number, because 742115 - 2² = 742111 is a prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 742115.

It is not an unprimeable number, because it can be changed into a prime (742111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5600 + ... + 5730.

It is an arithmetic number, because the mean of its divisors is an integer number (61776).

2⁷⁴²¹¹⁵ is an apocalyptic number.

742115 is a deficient number, since it is larger than the sum of its proper divisors (246301).

742115 is a wasteful number, since it uses less digits than its factorization.

742115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250.

The product of its digits is 280, while the sum is 20.

The square root of 742115 is about 861.4609683555. The cubic root of 742115 is about 90.5365073553.

The spelling of 742115 in words is "seven hundred forty-two thousand, one hundred fifteen".