742331013 has 8 divisors (see below), whose sum is σ = 998534208. Its totient is φ = 490507584.

The previous prime is 742330999. The next prime is 742331017. The reversal of 742331013 is 310133247.

Added to its reverse (310133247) it gives a triangular number (1052464260 = T₄₅₈₇₉).

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

It is not a de Polignac number, because 742331013 - 2¹⁰ = 742329989 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (742331017) 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, 1094545 + ... + 1095222.

It is an arithmetic number, because the mean of its divisors is an integer number (124816776).

Almost surely, 2^742331013 is an apocalyptic number.

It is an amenable number.

742331013 is a deficient number, since it is larger than the sum of its proper divisors (256203195).

742331013 is a wasteful number, since it uses less digits than its factorization.

742331013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2189883.

The product of its (nonzero) digits is 1512, while the sum is 24.

The square root of 742331013 is about 27245.7522010313. The cubic root of 742331013 is about 905.4529088403.

Adding to 742331013 its reverse (310133247), we get a triangular number (1052464260 = T₄₅₈₇₉).

The spelling of 742331013 in words is "seven hundred forty-two million, three hundred thirty-one thousand, thirteen".