72973498 has 8 divisors (see below), whose sum is σ = 117880308. Its totient is φ = 33680064.

The previous prime is 72973487. The next prime is 72973529. The reversal of 72973498 is 89437927.

It can be written as a sum of positive squares in 2 ways, for example, as 71453209 + 1520289 = 8453^2 + 1233^2 .

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

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, 1403311 + ... + 1403362.

Almost surely, 2^72973498 is an apocalyptic number.

72973498 is a deficient number, since it is larger than the sum of its proper divisors (44906810).

72973498 is a wasteful number, since it uses less digits than its factorization.

72973498 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2806688.

The product of its digits is 762048, while the sum is 49.

The square root of 72973498 is about 8542.4526922893. The cubic root of 72973498 is about 417.8833377871.

The spelling of 72973498 in words is "seventy-two million, nine hundred seventy-three thousand, four hundred ninety-eight".