738542687 has 2 divisors, whose sum is σ = 738542688. Its totient is φ = 738542686.

The previous prime is 738542683. The next prime is 738542789. The reversal of 738542687 is 786245837.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 738542687 - 2² = 738542683 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (738542683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 369271343 + 369271344.

It is an arithmetic number, because the mean of its divisors is an integer number (369271344).

Almost surely, 2^738542687 is an apocalyptic number.

738542687 is a deficient number, since it is larger than the sum of its proper divisors (1).

738542687 is an equidigital number, since it uses as much as digits as its factorization.

738542687 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2257920, while the sum is 50.

The square root of 738542687 is about 27176.1418711340. The cubic root of 738542687 is about 903.9100201348.

It can be divided in two parts, 7385 and 42687, that multiplied together give a triangular number (315243495 = T₂₅₁₀₉).

The spelling of 738542687 in words is "seven hundred thirty-eight million, five hundred forty-two thousand, six hundred eighty-seven".