72709498 has 8 divisors (see below), whose sum is σ = 109635840. Its totient is φ = 36164220.

The previous prime is 72709487. The next prime is 72709519. The reversal of 72709498 is 89490727.

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

It is an alternating number because its digits alternate between odd and even.

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, 94788 + ... + 95551.

It is an arithmetic number, because the mean of its divisors is an integer number (13704480).

Almost surely, 2^72709498 is an apocalyptic number.

72709498 is a deficient number, since it is larger than the sum of its proper divisors (36926342).

72709498 is a wasteful number, since it uses less digits than its factorization.

72709498 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190532.

The product of its (nonzero) digits is 254016, while the sum is 46.

The square root of 72709498 is about 8526.9864547799. The cubic root of 72709498 is about 417.3787961363.

The spelling of 72709498 in words is "seventy-two million, seven hundred nine thousand, four hundred ninety-eight".