72446362 has 4 divisors (see below), whose sum is σ = 108669546. Its totient is φ = 36223180.

The previous prime is 72446351. The next prime is 72446377. The reversal of 72446362 is 26364427.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 72097081 + 349281 = 8491^2 + 591^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18111589 + ... + 18111592.

Almost surely, 2^72446362 is an apocalyptic number.

72446362 is a deficient number, since it is larger than the sum of its proper divisors (36223184).

72446362 is a wasteful number, since it uses less digits than its factorization.

72446362 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36223183.

The product of its digits is 48384, while the sum is 34.

The square root of 72446362 is about 8511.5428683641. The cubic root of 72446362 is about 416.8746889447.

The spelling of 72446362 in words is "seventy-two million, four hundred forty-six thousand, three hundred sixty-two".