738872401 has 4 divisors (see below), whose sum is σ = 770997312. Its totient is φ = 706747492.

The previous prime is 738872389. The next prime is 738872413. The reversal of 738872401 is 104278837.

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 (738872389) and next prime (738872413).

It is a cyclic number.

It is not a de Polignac number, because 738872401 - 2⁵ = 738872369 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (738872471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16062421 + ... + 16062466.

It is an arithmetic number, because the mean of its divisors is an integer number (192749328).

Almost surely, 2^738872401 is an apocalyptic number.

It is an amenable number.

738872401 is a deficient number, since it is larger than the sum of its proper divisors (32124911).

738872401 is a wasteful number, since it uses less digits than its factorization.

738872401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32124910.

The product of its (nonzero) digits is 75264, while the sum is 40.

The square root of 738872401 is about 27182.2074342758. The cubic root of 738872401 is about 904.0445135787.

The spelling of 738872401 in words is "seven hundred thirty-eight million, eight hundred seventy-two thousand, four hundred one".