726954157 has 2 divisors, whose sum is σ = 726954158. Its totient is φ = 726954156.

The previous prime is 726954139. The next prime is 726954167. The reversal of 726954157 is 751459627.

726954157 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 666207721 + 60746436 = 25811^2 + 7794^2 .

It is a cyclic number.

It is not a de Polignac number, because 726954157 - 2¹⁵ = 726921389 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (726954167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 363477078 + 363477079.

It is an arithmetic number, because the mean of its divisors is an integer number (363477079).

Almost surely, 2^726954157 is an apocalyptic number.

It is an amenable number.

726954157 is a deficient number, since it is larger than the sum of its proper divisors (1).

726954157 is an equidigital number, since it uses as much as digits as its factorization.

726954157 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 529200, while the sum is 46.

The square root of 726954157 is about 26962.0874006446. The cubic root of 726954157 is about 899.1573004995.

The spelling of 726954157 in words is "seven hundred twenty-six million, nine hundred fifty-four thousand, one hundred fifty-seven".