738088993 has 4 divisors (see below), whose sum is σ = 744620868. Its totient is φ = 731557120.

The previous prime is 738088963. The next prime is 738088999. The reversal of 738088993 is 399880837.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 153561664 + 584527329 = 12392^2 + 24177^2 .

It is a cyclic number.

It is not a de Polignac number, because 738088993 - 2⁵ = 738088961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (738088999) 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, 3265768 + ... + 3265993.

It is an arithmetic number, because the mean of its divisors is an integer number (186155217).

Almost surely, 2^738088993 is an apocalyptic number.

It is an amenable number.

738088993 is a deficient number, since it is larger than the sum of its proper divisors (6531875).

738088993 is a wasteful number, since it uses less digits than its factorization.

738088993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6531874.

The product of its (nonzero) digits is 2612736, while the sum is 55.

The square root of 738088993 is about 27167.7933038368. The cubic root of 738088993 is about 903.7248886299.

The spelling of 738088993 in words is "seven hundred thirty-eight million, eighty-eight thousand, nine hundred ninety-three".