72986103 has 10 divisors (see below), whose sum is σ = 109028744. Its totient is φ = 48657348.

The previous prime is 72986101. The next prime is 72986119. The reversal of 72986103 is 30168927.

It is not a de Polignac number, because 72986103 - 2¹ = 72986101 is a prime.

It is a super-2 number, since 2×72986103² = 10653942462253218, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72986101) 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 9 ways as a sum of consecutive naturals, for example, 450451 + ... + 450612.

Almost surely, 2^72986103 is an apocalyptic number.

72986103 is a deficient number, since it is larger than the sum of its proper divisors (36042641).

72986103 is an equidigital number, since it uses as much as digits as its factorization.

72986103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 901075 (or 901066 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 72986103 is about 8543.1904461975. The cubic root of 72986103 is about 417.9073972807.

The spelling of 72986103 in words is "seventy-two million, nine hundred eighty-six thousand, one hundred three".