72675523 has 2 divisors, whose sum is σ = 72675524. Its totient is φ = 72675522.

The previous prime is 72675521. The next prime is 72675539. The reversal of 72675523 is 32557627.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 72675523 - 2¹ = 72675521 is a prime.

Together with 72675521, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (72675521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36337761 + 36337762.

It is an arithmetic number, because the mean of its divisors is an integer number (36337762).

Almost surely, 2^72675523 is an apocalyptic number.

72675523 is a deficient number, since it is larger than the sum of its proper divisors (1).

72675523 is an equidigital number, since it uses as much as digits as its factorization.

72675523 is an evil number, because the sum of its binary digits is even.

The product of its digits is 88200, while the sum is 37.

The square root of 72675523 is about 8524.9940175932. The cubic root of 72675523 is about 417.3137764150.

The spelling of 72675523 in words is "seventy-two million, six hundred seventy-five thousand, five hundred twenty-three".