72329794 has 4 divisors (see below), whose sum is σ = 108494694. Its totient is φ = 36164896.

The previous prime is 72329791. The next prime is 72329797. The reversal of 72329794 is 49792327.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (72329791) and next prime (72329797).

It can be written as a sum of positive squares in only one way, i.e., 62489025 + 9840769 = 7905^2 + 3137^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 72329794.

It is not an unprimeable number, because it can be changed into a prime (72329791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18082447 + ... + 18082450.

Almost surely, 2^72329794 is an apocalyptic number.

72329794 is a deficient number, since it is larger than the sum of its proper divisors (36164900).

72329794 is a wasteful number, since it uses less digits than its factorization.

72329794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36164899.

The product of its digits is 190512, while the sum is 43.

The square root of 72329794 is about 8504.6924694547. The cubic root of 72329794 is about 416.6509816673.

The spelling of 72329794 in words is "seventy-two million, three hundred twenty-nine thousand, seven hundred ninety-four".