71752943 has 2 divisors, whose sum is σ = 71752944. Its totient is φ = 71752942.

The previous prime is 71752921. The next prime is 71752951. The reversal of 71752943 is 34925717.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 71752943 - 2¹² = 71748847 is a prime.

It is a super-2 number, since 2×71752943² = 10296969658322498, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 71752897 and 71752906.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71752843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35876471 + 35876472.

It is an arithmetic number, because the mean of its divisors is an integer number (35876472).

Almost surely, 2^71752943 is an apocalyptic number.

71752943 is a deficient number, since it is larger than the sum of its proper divisors (1).

71752943 is an equidigital number, since it uses as much as digits as its factorization.

71752943 is an evil number, because the sum of its binary digits is even.

The product of its digits is 52920, while the sum is 38.

The square root of 71752943 is about 8470.7108910646. The cubic root of 71752943 is about 415.5403866649.

The spelling of 71752943 in words is "seventy-one million, seven hundred fifty-two thousand, nine hundred forty-three".