72354503 has 8 divisors (see below), whose sum is σ = 78860208. Its totient is φ = 65983104.

The previous prime is 72354497. The next prime is 72354539. The reversal of 72354503 is 30545327.

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 72354503 - 2¹² = 72350407 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 (72354553) 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, 32450 + ... + 34607.

It is an arithmetic number, because the mean of its divisors is an integer number (9857526).

Almost surely, 2^72354503 is an apocalyptic number.

72354503 is a deficient number, since it is larger than the sum of its proper divisors (6505705).

72354503 is a wasteful number, since it uses less digits than its factorization.

72354503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67153.

The product of its (nonzero) digits is 12600, while the sum is 29.

The square root of 72354503 is about 8506.1450140472. The cubic root of 72354503 is about 416.6984211177.

The spelling of 72354503 in words is "seventy-two million, three hundred fifty-four thousand, five hundred three".