72187483 has 2 divisors, whose sum is σ = 72187484. Its totient is φ = 72187482.

The previous prime is 72187471. The next prime is 72187487. The reversal of 72187483 is 38478127.

It is a strong prime.

It is an emirp because it is prime and its reverse (38478127) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 72187483 - 2²⁵ = 38633051 is a prime.

It is a super-2 number, since 2×72187483² = 10422065403750578, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (72187487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36093741 + 36093742.

It is an arithmetic number, because the mean of its divisors is an integer number (36093742).

Almost surely, 2^72187483 is an apocalyptic number.

72187483 is a deficient number, since it is larger than the sum of its proper divisors (1).

72187483 is an equidigital number, since it uses as much as digits as its factorization.

72187483 is an evil number, because the sum of its binary digits is even.

The product of its digits is 75264, while the sum is 40.

The square root of 72187483 is about 8496.3217335503. The cubic root of 72187483 is about 416.3775445644.

The spelling of 72187483 in words is "seventy-two million, one hundred eighty-seven thousand, four hundred eighty-three".