72303492 has 12 divisors (see below), whose sum is σ = 168708176. Its totient is φ = 24101160.

The previous prime is 72303463. The next prime is 72303521. The reversal of 72303492 is 29430327.

It is an interprime number because it is at equal distance from previous prime (72303463) and next prime (72303521).

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

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, 3012634 + ... + 3012657.

Almost surely, 2^72303492 is an apocalyptic number.

It is an amenable number.

72303492 is an abundant number, since it is smaller than the sum of its proper divisors (96404684).

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

72303492 is a wasteful number, since it uses less digits than its factorization.

72303492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6025298 (or 6025296 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 30.

The square root of 72303492 is about 8503.1460060380. The cubic root of 72303492 is about 416.6004719021.

The spelling of 72303492 in words is "seventy-two million, three hundred three thousand, four hundred ninety-two".