738688213 has 4 divisors (see below), whose sum is σ = 777566560. Its totient is φ = 699809868.

The previous prime is 738688207. The next prime is 738688219. The reversal of 738688213 is 312886837.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (738688207) and next prime (738688219).

It is a cyclic number.

It is not a de Polignac number, because 738688213 - 2¹³ = 738680021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (738688219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19439145 + ... + 19439182.

It is an arithmetic number, because the mean of its divisors is an integer number (194391640).

Almost surely, 2^738688213 is an apocalyptic number.

It is an amenable number.

738688213 is a deficient number, since it is larger than the sum of its proper divisors (38878347).

738688213 is a wasteful number, since it uses less digits than its factorization.

738688213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38878346.

The product of its digits is 387072, while the sum is 46.

The square root of 738688213 is about 27178.8191980446. The cubic root of 738688213 is about 903.9693864936.

The spelling of 738688213 in words is "seven hundred thirty-eight million, six hundred eighty-eight thousand, two hundred thirteen".