7145384674 has 4 divisors (see below), whose sum is σ = 10718077014. Its totient is φ = 3572692336.

The previous prime is 7145384657. The next prime is 7145384749. The reversal of 7145384674 is 4764835417.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 7085430625 + 59954049 = 84175^2 + 7743^2 .

It is a super-3 number, since 3×7145384674³ (a number of 31 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 1786346167 + ... + 1786346170.

Almost surely, 2^7145384674 is an apocalyptic number.

7145384674 is a deficient number, since it is larger than the sum of its proper divisors (3572692340).

7145384674 is a wasteful number, since it uses less digits than its factorization.

7145384674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3572692339.

The product of its digits is 2257920, while the sum is 49.

The square root of 7145384674 is about 84530.3772261783. The cubic root of 7145384674 is about 1926.0839163726.

The spelling of 7145384674 in words is "seven billion, one hundred forty-five million, three hundred eighty-four thousand, six hundred seventy-four".