742575424 has 56 divisors (see below), whose sum is σ = 1541971008. Its totient is φ = 354140160.

The previous prime is 742575367. The next prime is 742575433. The reversal of 742575424 is 424575247.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 943159 + ... + 943945.

Almost surely, 2^742575424 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 742575424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (770985504).

742575424 is an abundant number, since it is smaller than the sum of its proper divisors (799395584).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

742575424 is a wasteful number, since it uses less digits than its factorization.

742575424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1463 (or 1453 counting only the distinct ones).

The product of its digits is 313600, while the sum is 40.

The square root of 742575424 is about 27250.2371365829. The cubic root of 742575424 is about 905.5522707888.

The spelling of 742575424 in words is "seven hundred forty-two million, five hundred seventy-five thousand, four hundred twenty-four".