743180649 has 8 divisors (see below), whose sum is σ = 1043060640. Its totient is φ = 469377216.

The previous prime is 743180621. The next prime is 743180663. The reversal of 743180649 is 946081347.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 743180649 - 2¹³ = 743172457 is a prime.

It is a super-2 number, since 2×743180649² = 1104634954096122402, which contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 743180649.

It is not an unprimeable number, because it can be changed into a prime (743180699) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6519072 + ... + 6519185.

It is an arithmetic number, because the mean of its divisors is an integer number (130382580).

Almost surely, 2^743180649 is an apocalyptic number.

It is an amenable number.

743180649 is a deficient number, since it is larger than the sum of its proper divisors (299879991).

743180649 is a wasteful number, since it uses less digits than its factorization.

743180649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13038279.

The product of its (nonzero) digits is 145152, while the sum is 42.

The square root of 743180649 is about 27261.3398240072. The cubic root of 743180649 is about 905.7982229287.

The spelling of 743180649 in words is "seven hundred forty-three million, one hundred eighty thousand, six hundred forty-nine".