72847004 has 12 divisors (see below), whose sum is σ = 128456328. Its totient is φ = 36145200.

The previous prime is 72847001. The next prime is 72847009. The reversal of 72847004 is 40074827.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72847001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68987 + ... + 70034.

It is an arithmetic number, because the mean of its divisors is an integer number (10704694).

Almost surely, 2^72847004 is an apocalyptic number.

It is an amenable number.

72847004 is a deficient number, since it is larger than the sum of its proper divisors (55609324).

72847004 is a wasteful number, since it uses less digits than its factorization.

72847004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139156 (or 139154 counting only the distinct ones).

The product of its (nonzero) digits is 12544, while the sum is 32.

The square root of 72847004 is about 8535.0456354960. The cubic root of 72847004 is about 417.6417418260.

The spelling of 72847004 in words is "seventy-two million, eight hundred forty-seven thousand, four".