742407 has 8 divisors (see below), whose sum is σ = 1048176. Its totient is φ = 465792.

The previous prime is 742393. The next prime is 742409. The reversal of 742407 is 704247.

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

It is not a de Polignac number, because 742407 - 2⁸ = 742151 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (742409) 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, 7228 + ... + 7329.

It is an arithmetic number, because the mean of its divisors is an integer number (131022).

2⁷⁴²⁴⁰⁷ is an apocalyptic number.

742407 is a deficient number, since it is larger than the sum of its proper divisors (305769).

742407 is a wasteful number, since it uses less digits than its factorization.

742407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14577.

The product of its (nonzero) digits is 1568, while the sum is 24.

The square root of 742407 is about 861.6304312175. The cubic root of 742407 is about 90.5483802652.

It can be divided in two parts, 74240 and 7, that added together give a palindrome (74247).

The spelling of 742407 in words is "seven hundred forty-two thousand, four hundred seven", and thus it is an iban number.