742673 has 2 divisors, whose sum is σ = 742674. Its totient is φ = 742672.

The previous prime is 742663. The next prime is 742681. The reversal of 742673 is 376247.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 595984 + 146689 = 772^2 + 383^2 .

It is a cyclic number.

It is not a de Polignac number, because 742673 - 2⁴ = 742657 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a nialpdrome in base 16.

It is not a weakly prime, because it can be changed into another prime (742663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 371336 + 371337.

It is an arithmetic number, because the mean of its divisors is an integer number (371337).

2⁷⁴²⁶⁷³ is an apocalyptic number.

It is an amenable number.

742673 is a deficient number, since it is larger than the sum of its proper divisors (1).

742673 is an equidigital number, since it uses as much as digits as its factorization.

742673 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7056, while the sum is 29.

The square root of 742673 is about 861.7847759157. The cubic root of 742673 is about 90.5591932887.

The spelling of 742673 in words is "seven hundred forty-two thousand, six hundred seventy-three".