72616203 has 32 divisors (see below), whose sum is σ = 121420800. Its totient is φ = 42487200.

The previous prime is 72616199. The next prime is 72616213. The reversal of 72616203 is 30261627.

It is a happy number.

It is not a de Polignac number, because 72616203 - 2² = 72616199 is a prime.

It is a super-2 number, since 2×72616203² = 10546225876274418, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (72616213) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4398 + ... + 12828.

It is an arithmetic number, because the mean of its divisors is an integer number (3794400).

Almost surely, 2^72616203 is an apocalyptic number.

72616203 is a deficient number, since it is larger than the sum of its proper divisors (48804597).

72616203 is a wasteful number, since it uses less digits than its factorization.

72616203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8480 (or 8474 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 72616203 is about 8521.5141260224. The cubic root of 72616203 is about 417.2002040570.

The spelling of 72616203 in words is "seventy-two million, six hundred sixteen thousand, two hundred three".