742417 has 12 divisors (see below), whose sum is σ = 843264. Its totient is φ = 652080.

The previous prime is 742409. The next prime is 742439. The reversal of 742417 is 714247.

It is not a de Polignac number, because 742417 - 2³ = 742409 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 742391 and 742400.

It is not an unprimeable number, because it can be changed into a prime (742457) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3792 + ... + 3982.

It is an arithmetic number, because the mean of its divisors is an integer number (70272).

2⁷⁴²⁴¹⁷ is an apocalyptic number.

It is an amenable number.

742417 is a deficient number, since it is larger than the sum of its proper divisors (100847).

742417 is a wasteful number, since it uses less digits than its factorization.

742417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240 (or 227 counting only the distinct ones).

The product of its digits is 1568, while the sum is 25.

The square root of 742417 is about 861.6362341499. The cubic root of 742417 is about 90.5487868165.

It can be divided in two parts, 7 and 42417, that added together give a palindrome (42424).

The spelling of 742417 in words is "seven hundred forty-two thousand, four hundred seventeen", and thus it is an iban number.