72004473 has 12 divisors (see below), whose sum is σ = 104979888. Its totient is φ = 47553720.

The previous prime is 72004459. The next prime is 72004481. The reversal of 72004473 is 37440027.

It is not a de Polignac number, because 72004473 - 2⁵ = 72004441 is a prime.

It is not an unprimeable number, because it can be changed into a prime (72004483) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36423 + ... + 38348.

It is an arithmetic number, because the mean of its divisors is an integer number (8748324).

Almost surely, 2^72004473 is an apocalyptic number.

It is an amenable number.

72004473 is a deficient number, since it is larger than the sum of its proper divisors (32975415).

72004473 is a wasteful number, since it uses less digits than its factorization.

72004473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74884 (or 74881 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 27.

The square root of 72004473 is about 8485.5449441978. The cubic root of 72004473 is about 416.0253794458.

The spelling of 72004473 in words is "seventy-two million, four thousand, four hundred seventy-three".