738152381 has 4 divisors (see below), whose sum is σ = 743787264. Its totient is φ = 732517500.

The previous prime is 738152357. The next prime is 738152419. The reversal of 738152381 is 183251837.

It is a happy number.

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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-738152381 is a prime.

It is a super-2 number, since 2×738152381² = 1089737875151938322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (738152081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2817245 + ... + 2817506.

It is an arithmetic number, because the mean of its divisors is an integer number (185946816).

Almost surely, 2^738152381 is an apocalyptic number.

It is an amenable number.

738152381 is a deficient number, since it is larger than the sum of its proper divisors (5634883).

738152381 is a wasteful number, since it uses less digits than its factorization.

738152381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5634882.

The product of its digits is 40320, while the sum is 38.

The square root of 738152381 is about 27168.9598807168. The cubic root of 738152381 is about 903.7507588948.

The spelling of 738152381 in words is "seven hundred thirty-eight million, one hundred fifty-two thousand, three hundred eighty-one".