72349498 has 16 divisors (see below), whose sum is σ = 117147240. Its totient is φ = 33313536.

The previous prime is 72349471. The next prime is 72349499. The reversal of 72349498 is 89494327.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 53919649 + 18429849 = 7343^2 + 4293^2 .

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

It is not an unprimeable number, because it can be changed into a prime (72349499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8838 + ... + 14926.

Almost surely, 2^72349498 is an apocalyptic number.

72349498 is a deficient number, since it is larger than the sum of its proper divisors (44797742).

72349498 is a wasteful number, since it uses less digits than its factorization.

72349498 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6561.

The product of its digits is 435456, while the sum is 46.

The square root of 72349498 is about 8505.8508098837. The cubic root of 72349498 is about 416.6888127607.

The spelling of 72349498 in words is "seventy-two million, three hundred forty-nine thousand, four hundred ninety-eight".