72230296 has 8 divisors (see below), whose sum is σ = 135431820. Its totient is φ = 36115144.

The previous prime is 72230293. The next prime is 72230299. The reversal of 72230296 is 69203227.

It is an interprime number because it is at equal distance from previous prime (72230293) and next prime (72230299).

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72230293) 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 as a sum of consecutive naturals, namely, 4514386 + ... + 4514401.

Almost surely, 2^72230296 is an apocalyptic number.

It is an amenable number.

72230296 is a deficient number, since it is larger than the sum of its proper divisors (63201524).

72230296 is a wasteful number, since it uses less digits than its factorization.

72230296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9028793 (or 9028789 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 72230296 is about 8498.8408621411. The cubic root of 72230296 is about 416.4598434527.

The spelling of 72230296 in words is "seventy-two million, two hundred thirty thousand, two hundred ninety-six".