72340474 has 16 divisors (see below), whose sum is σ = 119890368. Its totient is φ = 32562112.

The previous prime is 72340447. The next prime is 72340481. The reversal of 72340474 is 47404327.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45472 + ... + 47035.

It is an arithmetic number, because the mean of its divisors is an integer number (7493148).

Almost surely, 2^72340474 is an apocalyptic number.

72340474 is a deficient number, since it is larger than the sum of its proper divisors (47549894).

72340474 is a wasteful number, since it uses less digits than its factorization.

72340474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92549.

The product of its (nonzero) digits is 18816, while the sum is 31.

The square root of 72340474 is about 8505.3203349433. The cubic root of 72340474 is about 416.6714878020.

The spelling of 72340474 in words is "seventy-two million, three hundred forty thousand, four hundred seventy-four".