72974627903 has 2 divisors, whose sum is σ = 72974627904. Its totient is φ = 72974627902.

The previous prime is 72974627827. The next prime is 72974627909. The reversal of 72974627903 is 30972647927.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-72974627903 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72974627909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36487313951 + 36487313952.

It is an arithmetic number, because the mean of its divisors is an integer number (36487313952).

Almost surely, 2^72974627903 is an apocalyptic number.

72974627903 is a deficient number, since it is larger than the sum of its proper divisors (1).

72974627903 is an equidigital number, since it uses as much as digits as its factorization.

72974627903 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8001504, while the sum is 56.

The spelling of 72974627903 in words is "seventy-two billion, nine hundred seventy-four million, six hundred twenty-seven thousand, nine hundred three".