72847270 has 16 divisors (see below), whose sum is σ = 131236848. Its totient is φ = 29114080.

The previous prime is 72847267. The next prime is 72847277. The reversal of 72847270 is 7274827.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72847277) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13392 + ... + 18028.

It is an arithmetic number, because the mean of its divisors is an integer number (8202303).

Almost surely, 2^72847270 is an apocalyptic number.

72847270 is a deficient number, since it is larger than the sum of its proper divisors (58389578).

72847270 is a wasteful number, since it uses less digits than its factorization.

72847270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6215.

The product of its (nonzero) digits is 43904, while the sum is 37.

The square root of 72847270 is about 8535.0612182925. The cubic root of 72847270 is about 417.6422501634.

The spelling of 72847270 in words is "seventy-two million, eight hundred forty-seven thousand, two hundred seventy".