73472438 has 8 divisors (see below), whose sum is σ = 118686288. Its totient is φ = 33910344.

The previous prime is 73472407. The next prime is 73472447. The reversal of 73472438 is 83427437.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1412906 + ... + 1412957.

It is an arithmetic number, because the mean of its divisors is an integer number (14835786).

Almost surely, 2^73472438 is an apocalyptic number.

73472438 is a deficient number, since it is larger than the sum of its proper divisors (45213850).

73472438 is a wasteful number, since it uses less digits than its factorization.

73472438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2825878.

The product of its digits is 112896, while the sum is 38.

The square root of 73472438 is about 8571.6065005342. The cubic root of 73472438 is about 418.8335700736.

The spelling of 73472438 in words is "seventy-three million, four hundred seventy-two thousand, four hundred thirty-eight".