742003403 has 8 divisors (see below), whose sum is σ = 787203360. Its totient is φ = 696976000.

The previous prime is 742003397. The next prime is 742003417. The reversal of 742003403 is 304300247.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 742003403 - 2⁴ = 742003387 is a prime.

It is not an unprimeable number, because it can be changed into a prime (742003433) 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, 34223 + ... + 51528.

It is an arithmetic number, because the mean of its divisors is an integer number (98400420).

Almost surely, 2^742003403 is an apocalyptic number.

742003403 is a deficient number, since it is larger than the sum of its proper divisors (45199957).

742003403 is a wasteful number, since it uses less digits than its factorization.

742003403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86277.

The product of its (nonzero) digits is 2016, while the sum is 23.

The square root of 742003403 is about 27239.7394077109. The cubic root of 742003403 is about 905.3196892610.

The spelling of 742003403 in words is "seven hundred forty-two million, three thousand, four hundred three".