72282998 has 4 divisors (see below), whose sum is σ = 108424500. Its totient is φ = 36141498.

The previous prime is 72282989. The next prime is 72283021. The reversal of 72282998 is 89928227.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18070748 + ... + 18070751.

It is an arithmetic number, because the mean of its divisors is an integer number (27106125).

Almost surely, 2^72282998 is an apocalyptic number.

72282998 is a deficient number, since it is larger than the sum of its proper divisors (36141502).

72282998 is a wasteful number, since it uses less digits than its factorization.

72282998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36141501.

The product of its digits is 290304, while the sum is 47.

The square root of 72282998 is about 8501.9408372442. The cubic root of 72282998 is about 416.5611071973.

The spelling of 72282998 in words is "seventy-two million, two hundred eighty-two thousand, nine hundred ninety-eight".