738070221 has 16 divisors (see below), whose sum is σ = 1126515200. Its totient is φ = 421065648.

The previous prime is 738070199. The next prime is 738070247. The reversal of 738070221 is 122070837.

It is not a de Polignac number, because 738070221 - 2¹⁰ = 738069197 is a prime.

It is a super-2 number, since 2×738070221² = 1089495302253977682, 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 (738070261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15391 + ... + 41388.

It is an arithmetic number, because the mean of its divisors is an integer number (70407200).

Almost surely, 2^738070221 is an apocalyptic number.

It is an amenable number.

738070221 is a deficient number, since it is larger than the sum of its proper divisors (388444979).

738070221 is a wasteful number, since it uses less digits than its factorization.

738070221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57408.

The product of its (nonzero) digits is 4704, while the sum is 30.

The square root of 738070221 is about 27167.4478190352. The cubic root of 738070221 is about 903.7172270120.

The spelling of 738070221 in words is "seven hundred thirty-eight million, seventy thousand, two hundred twenty-one".