747650345 has 8 divisors (see below), whose sum is σ = 966194376. Its totient is φ = 552110976.

The previous prime is 747650341. The next prime is 747650347. The reversal of 747650345 is 543056747.

It can be written as a sum of positive squares in 4 ways, for example, as 34386496 + 713263849 = 5864^2 + 26707^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 747650345 - 2² = 747650341 is a prime.

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

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (747650341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5751092 + ... + 5751221.

It is an arithmetic number, because the mean of its divisors is an integer number (120774297).

Almost surely, 2^747650345 is an apocalyptic number.

It is an amenable number.

747650345 is a deficient number, since it is larger than the sum of its proper divisors (218544031).

747650345 is a wasteful number, since it uses less digits than its factorization.

747650345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11502331.

The product of its (nonzero) digits is 352800, while the sum is 41.

The square root of 747650345 is about 27343.1955886652. The cubic root of 747650345 is about 907.6105024216.

The spelling of 747650345 in words is "seven hundred forty-seven million, six hundred fifty thousand, three hundred forty-five".