373406729 has 2 divisors, whose sum is σ = 373406730. Its totient is φ = 373406728.

The previous prime is 373406707. The next prime is 373406731. The reversal of 373406729 is 927604373.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 270931600 + 102475129 = 16460^2 + 10123^2 .

It is a cyclic number.

It is not a de Polignac number, because 373406729 - 2¹⁶ = 373341193 is a prime.

Together with 373406731, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (373406329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 186703364 + 186703365.

It is an arithmetic number, because the mean of its divisors is an integer number (186703365).

Almost surely, 2^373406729 is an apocalyptic number.

It is an amenable number.

373406729 is a deficient number, since it is larger than the sum of its proper divisors (1).

373406729 is an equidigital number, since it uses as much as digits as its factorization.

373406729 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 190512, while the sum is 41.

The square root of 373406729 is about 19323.7348615634. The cubic root of 373406729 is about 720.1020489357.

The spelling of 373406729 in words is "three hundred seventy-three million, four hundred six thousand, seven hundred twenty-nine".