73345751 has 2 divisors, whose sum is σ = 73345752. Its totient is φ = 73345750.

The previous prime is 73345747. The next prime is 73345763. The reversal of 73345751 is 15754337.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 73345751 - 2² = 73345747 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73345711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36672875 + 36672876.

It is an arithmetic number, because the mean of its divisors is an integer number (36672876).

Almost surely, 2^73345751 is an apocalyptic number.

73345751 is a deficient number, since it is larger than the sum of its proper divisors (1).

73345751 is an equidigital number, since it uses as much as digits as its factorization.

73345751 is an evil number, because the sum of its binary digits is even.

The product of its digits is 44100, while the sum is 35.

The square root of 73345751 is about 8564.2133906156. The cubic root of 73345751 is about 418.5927029023.

The spelling of 73345751 in words is "seventy-three million, three hundred forty-five thousand, seven hundred fifty-one".