72803086 has 4 divisors (see below), whose sum is σ = 109204632. Its totient is φ = 36401542.

The previous prime is 72803083. The next prime is 72803089. The reversal of 72803086 is 68030827.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 68030827 = 37 ⋅1838671.

It is an interprime number because it is at equal distance from previous prime (72803083) and next prime (72803089).

It is a super-2 number, since 2×72803086² = 10600578662246792, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72803083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18200770 + ... + 18200773.

It is an arithmetic number, because the mean of its divisors is an integer number (27301158).

Almost surely, 2^72803086 is an apocalyptic number.

72803086 is a deficient number, since it is larger than the sum of its proper divisors (36401546).

72803086 is a wasteful number, since it uses less digits than its factorization.

72803086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36401545.

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 72803086 is about 8532.4724435535. The cubic root of 72803086 is about 417.5577956729.

The spelling of 72803086 in words is "seventy-two million, eight hundred three thousand, eighty-six".