739990457 has 2 divisors, whose sum is σ = 739990458. Its totient is φ = 739990456.

The previous prime is 739990423. The next prime is 739990463. The reversal of 739990457 is 754099937.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 463799296 + 276191161 = 21536^2 + 16619^2 .

It is a cyclic number.

It is not a de Polignac number, because 739990457 - 2¹⁶ = 739924921 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 739990399 and 739990408.

It is not a weakly prime, because it can be changed into another prime (739990157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 369995228 + 369995229.

It is an arithmetic number, because the mean of its divisors is an integer number (369995229).

Almost surely, 2^739990457 is an apocalyptic number.

It is an amenable number.

739990457 is a deficient number, since it is larger than the sum of its proper divisors (1).

739990457 is an equidigital number, since it uses as much as digits as its factorization.

739990457 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2143260, while the sum is 53.

The square root of 739990457 is about 27202.7656130769. The cubic root of 739990457 is about 904.5002814887.

The spelling of 739990457 in words is "seven hundred thirty-nine million, nine hundred ninety thousand, four hundred fifty-seven".