738212091 has 4 divisors (see below), whose sum is σ = 984282792. Its totient is φ = 492141392.

The previous prime is 738212077. The next prime is 738212107. The reversal of 738212091 is 190212837.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 190212837 = 3 ⋅63404279.

It is a cyclic number.

It is not a de Polignac number, because 738212091 - 2¹⁴ = 738195707 is a prime.

It is not an unprimeable number, because it can be changed into a prime (738212051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 123035346 + ... + 123035351.

It is an arithmetic number, because the mean of its divisors is an integer number (246070698).

Almost surely, 2^738212091 is an apocalyptic number.

738212091 is a deficient number, since it is larger than the sum of its proper divisors (246070701).

738212091 is a wasteful number, since it uses less digits than its factorization.

738212091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246070700.

The product of its (nonzero) digits is 6048, while the sum is 33.

The square root of 738212091 is about 27170.0587227926. The cubic root of 738212091 is about 903.7751267192.

The spelling of 738212091 in words is "seven hundred thirty-eight million, two hundred twelve thousand, ninety-one".