72934871 has 2 divisors, whose sum is σ = 72934872. Its totient is φ = 72934870.

The previous prime is 72934853. The next prime is 72934907. The reversal of 72934871 is 17843927.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-72934871 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 (72934831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36467435 + 36467436.

It is an arithmetic number, because the mean of its divisors is an integer number (36467436).

Almost surely, 2^72934871 is an apocalyptic number.

72934871 is a deficient number, since it is larger than the sum of its proper divisors (1).

72934871 is an equidigital number, since it uses as much as digits as its factorization.

72934871 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 84672, while the sum is 41.

The square root of 72934871 is about 8540.1915083914. The cubic root of 72934871 is about 417.8095921624.

The spelling of 72934871 in words is "seventy-two million, nine hundred thirty-four thousand, eight hundred seventy-one".