343072745 has 8 divisors (see below), whose sum is σ = 411936840. Its totient is φ = 274291840.

The previous prime is 343072687. The next prime is 343072757. The reversal of 343072745 is 547270343.

It can be written as a sum of positive squares in 4 ways, for example, as 73324969 + 269747776 = 8563^2 + 16424^2 .

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

It is not a de Polignac number, because 343072745 - 2²⁶ = 275963881 is a prime.

It is an alternating number because its digits alternate between odd and even.

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, 11330 + ... + 28539.

It is an arithmetic number, because the mean of its divisors is an integer number (51492105).

Almost surely, 2^343072745 is an apocalyptic number.

It is an amenable number.

343072745 is a deficient number, since it is larger than the sum of its proper divisors (68864095).

343072745 is a wasteful number, since it uses less digits than its factorization.

343072745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41595.

The product of its (nonzero) digits is 70560, while the sum is 35.

The square root of 343072745 is about 18522.2230037326. The cubic root of 343072745 is about 700.0494828965.

The spelling of 343072745 in words is "three hundred forty-three million, seventy-two thousand, seven hundred forty-five".