72331703 has 2 divisors, whose sum is σ = 72331704. Its totient is φ = 72331702.

The previous prime is 72331673. The next prime is 72331717. The reversal of 72331703 is 30713327.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 72331703 - 2¹⁰ = 72330679 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72331723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36165851 + 36165852.

It is an arithmetic number, because the mean of its divisors is an integer number (36165852).

Almost surely, 2^72331703 is an apocalyptic number.

72331703 is a deficient number, since it is larger than the sum of its proper divisors (1).

72331703 is an equidigital number, since it uses as much as digits as its factorization.

72331703 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2646, while the sum is 26.

The square root of 72331703 is about 8504.8047008735. The cubic root of 72331703 is about 416.6546471911.

The spelling of 72331703 in words is "seventy-two million, three hundred thirty-one thousand, seven hundred three".