742415 has 4 divisors (see below), whose sum is σ = 890904. Its totient is φ = 593928.

The previous prime is 742409. The next prime is 742439. The reversal of 742415 is 514247.

742415 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 742415 - 2⁶ = 742351 is a prime.

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 3 ways as a sum of consecutive naturals, for example, 74237 + ... + 74246.

It is an arithmetic number, because the mean of its divisors is an integer number (222726).

2⁷⁴²⁴¹⁵ is an apocalyptic number.

742415 is a deficient number, since it is larger than the sum of its proper divisors (148489).

742415 is a wasteful number, since it uses less digits than its factorization.

742415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148488.

The product of its digits is 1120, while the sum is 23.

The square root of 742415 is about 861.6350735665. The cubic root of 742415 is about 90.5487055065.

The spelling of 742415 in words is "seven hundred forty-two thousand, four hundred fifteen".