72346242 has 16 divisors (see below), whose sum is σ = 149682240. Its totient is φ = 23283792.

The previous prime is 72346229. The next prime is 72346259. The reversal of 72346242 is 24264327.

It is a super-3 number, since 3×72346242³ (a number of 25 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 207718 + ... + 208065.

It is an arithmetic number, because the mean of its divisors is an integer number (9355140).

Almost surely, 2^72346242 is an apocalyptic number.

72346242 is an abundant number, since it is smaller than the sum of its proper divisors (77335998).

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

72346242 is a wasteful number, since it uses less digits than its factorization.

72346242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415817.

The product of its digits is 16128, while the sum is 30.

The square root of 72346242 is about 8505.6594100634. The cubic root of 72346242 is about 416.6825618114.

The spelling of 72346242 in words is "seventy-two million, three hundred forty-six thousand, two hundred forty-two".