72298735 has 16 divisors (see below), whose sum is σ = 87834240. Its totient is φ = 57127680.

The previous prime is 72298717. The next prime is 72298747. The reversal of 72298735 is 53789227.

It is not a de Polignac number, because 72298735 - 2¹¹ = 72296687 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 72298691 and 72298700.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 266650 + ... + 266920.

It is an arithmetic number, because the mean of its divisors is an integer number (5489640).

Almost surely, 2^72298735 is an apocalyptic number.

72298735 is a deficient number, since it is larger than the sum of its proper divisors (15535505).

72298735 is a wasteful number, since it uses less digits than its factorization.

72298735 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 738.

The product of its digits is 211680, while the sum is 43.

The square root of 72298735 is about 8502.8662814371. The cubic root of 72298735 is about 416.5913353591.

The spelling of 72298735 in words is "seventy-two million, two hundred ninety-eight thousand, seven hundred thirty-five".