743130445 has 8 divisors (see below), whose sum is σ = 892085400. Its totient is φ = 594285120.

The previous prime is 743130431. The next prime is 743130473. The reversal of 743130445 is 544031347.

It can be written as a sum of positive squares in 4 ways, for example, as 29278921 + 713851524 = 5411^2 + 26718^2 .

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

It is not a de Polignac number, because 743130445 - 2⁷ = 743130317 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11670 + ... + 40279.

It is an arithmetic number, because the mean of its divisors is an integer number (111510675).

Almost surely, 2^743130445 is an apocalyptic number.

It is an amenable number.

743130445 is a deficient number, since it is larger than the sum of its proper divisors (148954955).

743130445 is a wasteful number, since it uses less digits than its factorization.

743130445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54815.

The product of its (nonzero) digits is 20160, while the sum is 31.

The square root of 743130445 is about 27260.4190173225. The cubic root of 743130445 is about 905.7778260404. Note that the first 3 decimals are identical.

The spelling of 743130445 in words is "seven hundred forty-three million, one hundred thirty thousand, four hundred forty-five".