72398435 has 8 divisors (see below), whose sum is σ = 86933520. Its totient is φ = 57881824.

The previous prime is 72398429. The next prime is 72398437. The reversal of 72398435 is 53489327.

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

It is a cyclic number.

It is not a de Polignac number, because 72398435 - 2⁴ = 72398419 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 72398392 and 72398401.

It is not an unprimeable number, because it can be changed into a prime (72398437) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6401 + ... + 13629.

It is an arithmetic number, because the mean of its divisors is an integer number (10866690).

Almost surely, 2^72398435 is an apocalyptic number.

72398435 is a deficient number, since it is larger than the sum of its proper divisors (14535085).

72398435 is a wasteful number, since it uses less digits than its factorization.

72398435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9237.

The product of its digits is 181440, while the sum is 41.

The square root of 72398435 is about 8508.7269905668. The cubic root of 72398435 is about 416.7827406392.

The spelling of 72398435 in words is "seventy-two million, three hundred ninety-eight thousand, four hundred thirty-five".