71649300362 has 4 divisors (see below), whose sum is σ = 107473950546. Its totient is φ = 35824650180.

The previous prime is 71649300361. The next prime is 71649300403. The reversal of 71649300362 is 26300394617.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 26300394617 = 7 ⋅3757199231.

It can be written as a sum of positive squares in only one way, i.e., 50400699001 + 21248601361 = 224501^2 + 145769^2 .

It is not an unprimeable number, because it can be changed into a prime (71649300361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17912325089 + ... + 17912325092.

Almost surely, 2^71649300362 is an apocalyptic number.

71649300362 is a deficient number, since it is larger than the sum of its proper divisors (35824650184).

71649300362 is a wasteful number, since it uses less digits than its factorization.

71649300362 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35824650183.

The product of its (nonzero) digits is 163296, while the sum is 41.

Adding to 71649300362 its reverse (26300394617), we get a palindrome (97949694979).

The spelling of 71649300362 in words is "seventy-one billion, six hundred forty-nine million, three hundred thousand, three hundred sixty-two".