734945 has 4 divisors (see below), whose sum is σ = 881940. Its totient is φ = 587952.

The previous prime is 734941. The next prime is 734953. The reversal of 734945 is 549437.

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

It can be written as a sum of positive squares in 2 ways, for example, as 226576 + 508369 = 476^2 + 713^2 .

It is a cyclic number.

It is not a de Polignac number, because 734945 - 2² = 734941 is a prime.

It is not an unprimeable number, because it can be changed into a prime (734941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73490 + ... + 73499.

It is an arithmetic number, because the mean of its divisors is an integer number (220485).

2⁷³⁴⁹⁴⁵ is an apocalyptic number.

It is an amenable number.

734945 is a deficient number, since it is larger than the sum of its proper divisors (146995).

734945 is a wasteful number, since it uses less digits than its factorization.

734945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146994.

The product of its digits is 15120, while the sum is 32.

The square root of 734945 is about 857.2893327226. The cubic root of 734945 is about 90.2439881611.

The spelling of 734945 in words is "seven hundred thirty-four thousand, nine hundred forty-five".