72382742 has 8 divisors (see below), whose sum is σ = 114288600. Its totient is φ = 34286544.

The previous prime is 72382741. The next prime is 72382747. The reversal of 72382742 is 24728327.

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

It is a super-2 number, since 2×72382742² = 10478522678877128, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72382741) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 952367 + ... + 952442.

It is an arithmetic number, because the mean of its divisors is an integer number (14286075).

Almost surely, 2^72382742 is an apocalyptic number.

72382742 is a deficient number, since it is larger than the sum of its proper divisors (41905858).

72382742 is a wasteful number, since it uses less digits than its factorization.

72382742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1904830.

The product of its digits is 37632, while the sum is 35.

The square root of 72382742 is about 8507.8047697394. The cubic root of 72382742 is about 416.7526246835.

The spelling of 72382742 in words is "seventy-two million, three hundred eighty-two thousand, seven hundred forty-two".