72696398 has 8 divisors (see below), whose sum is σ = 109260360. Its totient is φ = 36276280.

The previous prime is 72696397. The next prime is 72696401. The reversal of 72696398 is 89369627.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72696397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34688 + ... + 36723.

It is an arithmetic number, because the mean of its divisors is an integer number (13657545).

Almost surely, 2^72696398 is an apocalyptic number.

72696398 is a deficient number, since it is larger than the sum of its proper divisors (36563962).

72696398 is a wasteful number, since it uses less digits than its factorization.

72696398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71922.

The product of its digits is 979776, while the sum is 50.

The square root of 72696398 is about 8526.2182707224. The cubic root of 72696398 is about 417.3537283859.

The spelling of 72696398 in words is "seventy-two million, six hundred ninety-six thousand, three hundred ninety-eight".