72332387 has 2 divisors, whose sum is σ = 72332388. Its totient is φ = 72332386.

The previous prime is 72332371. The next prime is 72332413. The reversal of 72332387 is 78323327.

It is a weak prime.

It is an emirp because it is prime and its reverse (78323327) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 72332387 - 2⁴ = 72332371 is a prime.

It is not a weakly prime, because it can be changed into another prime (72332327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36166193 + 36166194.

It is an arithmetic number, because the mean of its divisors is an integer number (36166194).

Almost surely, 2^72332387 is an apocalyptic number.

72332387 is a deficient number, since it is larger than the sum of its proper divisors (1).

72332387 is an equidigital number, since it uses as much as digits as its factorization.

72332387 is an evil number, because the sum of its binary digits is even.

The product of its digits is 42336, while the sum is 35.

The square root of 72332387 is about 8504.8449133420. The cubic root of 72332387 is about 416.6559605427.

The spelling of 72332387 in words is "seventy-two million, three hundred thirty-two thousand, three hundred eighty-seven".