738761731 has 2 divisors, whose sum is σ = 738761732. Its totient is φ = 738761730.

The previous prime is 738761729. The next prime is 738761767. The reversal of 738761731 is 137167837.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 738761731 - 2¹ = 738761729 is a prime.

It is a super-2 number, since 2×738761731² = 1091537790380232722, which contains 22 as substring.

Together with 738761729, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (738761791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 369380865 + 369380866.

It is an arithmetic number, because the mean of its divisors is an integer number (369380866).

Almost surely, 2^738761731 is an apocalyptic number.

738761731 is a deficient number, since it is larger than the sum of its proper divisors (1).

738761731 is an equidigital number, since it uses as much as digits as its factorization.

738761731 is an evil number, because the sum of its binary digits is even.

The product of its digits is 148176, while the sum is 43.

The square root of 738761731 is about 27180.1716514079. The cubic root of 738761731 is about 903.9993747059. Note that the first 3 decimals are identical.

The spelling of 738761731 in words is "seven hundred thirty-eight million, seven hundred sixty-one thousand, seven hundred thirty-one".