73711751 has 2 divisors, whose sum is σ = 73711752. Its totient is φ = 73711750.

The previous prime is 73711741. The next prime is 73711753. The reversal of 73711751 is 15711737.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-73711751 is a prime.

Together with 73711753, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73711753) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36855875 + 36855876.

It is an arithmetic number, because the mean of its divisors is an integer number (36855876).

Almost surely, 2^73711751 is an apocalyptic number.

73711751 is a deficient number, since it is larger than the sum of its proper divisors (1).

73711751 is an equidigital number, since it uses as much as digits as its factorization.

73711751 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5145, while the sum is 32.

The square root of 73711751 is about 8585.5547869663. The cubic root of 73711751 is about 419.2878161031.

The spelling of 73711751 in words is "seventy-three million, seven hundred eleven thousand, seven hundred fifty-one".