739740857 has 2 divisors, whose sum is σ = 739740858. Its totient is φ = 739740856.

The previous prime is 739740853. The next prime is 739740877. The reversal of 739740857 is 758047937.

739740857 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 539121961 + 200618896 = 23219^2 + 14164^2 .

It is a cyclic number.

It is not a de Polignac number, because 739740857 - 2² = 739740853 is a prime.

It is not a weakly prime, because it can be changed into another prime (739740853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 369870428 + 369870429.

It is an arithmetic number, because the mean of its divisors is an integer number (369870429).

Almost surely, 2^739740857 is an apocalyptic number.

It is an amenable number.

739740857 is a deficient number, since it is larger than the sum of its proper divisors (1).

739740857 is an equidigital number, since it uses as much as digits as its factorization.

739740857 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1481760, while the sum is 50.

The square root of 739740857 is about 27198.1774573224. The cubic root of 739740857 is about 904.3985735742.

The spelling of 739740857 in words is "seven hundred thirty-nine million, seven hundred forty thousand, eight hundred fifty-seven".