72353613 has 8 divisors (see below), whose sum is σ = 97110976. Its totient is φ = 47916000.

The previous prime is 72353599. The next prime is 72353627. The reversal of 72353613 is 31635327.

It is an interprime number because it is at equal distance from previous prime (72353599) and next prime (72353627).

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

It is not a de Polignac number, because 72353613 - 2⁶ = 72353549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72353663) 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, 79408 + ... + 80313.

It is an arithmetic number, because the mean of its divisors is an integer number (12138872).

Almost surely, 2^72353613 is an apocalyptic number.

It is an amenable number.

72353613 is a deficient number, since it is larger than the sum of its proper divisors (24757363).

72353613 is a wasteful number, since it uses less digits than its factorization.

72353613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159875.

The product of its digits is 11340, while the sum is 30.

The square root of 72353613 is about 8506.0926987660. The cubic root of 72353613 is about 416.6967125711.

The spelling of 72353613 in words is "seventy-two million, three hundred fifty-three thousand, six hundred thirteen".