742705913 has 2 divisors, whose sum is σ = 742705914. Its totient is φ = 742705912.

The previous prime is 742705871. The next prime is 742705993. The reversal of 742705913 is 319507247.

742705913 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., 567725929 + 174979984 = 23827^2 + 13228^2 .

It is a cyclic number.

It is not a de Polignac number, because 742705913 - 2⁶ = 742705849 is a prime.

It is a super-2 number, since 2×742705913² = 1103224146410327138, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is equal to p_38346743 and since 742705913 and 38346743 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (742705993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 371352956 + 371352957.

It is an arithmetic number, because the mean of its divisors is an integer number (371352957).

Almost surely, 2^742705913 is an apocalyptic number.

It is an amenable number.

742705913 is a deficient number, since it is larger than the sum of its proper divisors (1).

742705913 is an equidigital number, since it uses as much as digits as its factorization.

742705913 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 52920, while the sum is 38.

The square root of 742705913 is about 27252.6313041512. The cubic root of 742705913 is about 905.6053103794.

The spelling of 742705913 in words is "seven hundred forty-two million, seven hundred five thousand, nine hundred thirteen".