738627121 has 4 divisors (see below), whose sum is σ = 743584500. Its totient is φ = 733669744.

The previous prime is 738627107. The next prime is 738627151. The reversal of 738627121 is 121726837.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 121726837 = 193 ⋅630709.

It can be written as a sum of positive squares in 2 ways, for example, as 380055025 + 358572096 = 19495^2 + 18936^2 .

It is a cyclic number.

It is not a de Polignac number, because 738627121 - 2⁵ = 738627089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (738627151) 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, 2478466 + ... + 2478763.

It is an arithmetic number, because the mean of its divisors is an integer number (185896125).

Almost surely, 2^738627121 is an apocalyptic number.

It is an amenable number.

738627121 is a deficient number, since it is larger than the sum of its proper divisors (4957379).

738627121 is a wasteful number, since it uses less digits than its factorization.

738627121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4957378.

The product of its digits is 28224, while the sum is 37.

The square root of 738627121 is about 27177.6952849207. The cubic root of 738627121 is about 903.9444653703.

The spelling of 738627121 in words is "seven hundred thirty-eight million, six hundred twenty-seven thousand, one hundred twenty-one".