743752073 has 2 divisors, whose sum is σ = 743752074. Its totient is φ = 743752072.

The previous prime is 743752069. The next prime is 743752103. The reversal of 743752073 is 370257347.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 711182224 + 32569849 = 26668^2 + 5707^2 .

It is a cyclic number.

It is not a de Polignac number, because 743752073 - 2² = 743752069 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (743752003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 371876036 + 371876037.

It is an arithmetic number, because the mean of its divisors is an integer number (371876037).

Almost surely, 2^743752073 is an apocalyptic number.

It is an amenable number.

743752073 is a deficient number, since it is larger than the sum of its proper divisors (1).

743752073 is an equidigital number, since it uses as much as digits as its factorization.

743752073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 123480, while the sum is 38.

The square root of 743752073 is about 27271.8182928825. The cubic root of 743752073 is about 906.0303164505.

The spelling of 743752073 in words is "seven hundred forty-three million, seven hundred fifty-two thousand, seventy-three".