734156945 has 8 divisors (see below), whose sum is σ = 885461544. Its totient is φ = 584343424.

The previous prime is 734156933. The next prime is 734156957. The reversal of 734156945 is 549651437.

It is an interprime number because it is at equal distance from previous prime (734156933) and next prime (734156957).

It can be written as a sum of positive squares in 4 ways, for example, as 294499921 + 439657024 = 17161^2 + 20968^2 .

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 734156945 - 2¹⁰ = 734155921 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 734156896 and 734156905.

It is an unprimeable number.

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, 371684 + ... + 373653.

It is an arithmetic number, because the mean of its divisors is an integer number (110682693).

Almost surely, 2^734156945 is an apocalyptic number.

It is an amenable number.

734156945 is a deficient number, since it is larger than the sum of its proper divisors (151304599).

734156945 is a wasteful number, since it uses less digits than its factorization.

734156945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 745539.

The product of its digits is 453600, while the sum is 44.

The square root of 734156945 is about 27095.3306863009. The cubic root of 734156945 is about 902.1172150168.

The spelling of 734156945 in words is "seven hundred thirty-four million, one hundred fifty-six thousand, nine hundred forty-five".