734501645 has 4 divisors (see below), whose sum is σ = 881401980. Its totient is φ = 587601312.

The previous prime is 734501641. The next prime is 734501657. The reversal of 734501645 is 546105437.

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 583850569 + 150651076 = 24163^2 + 12274^2 .

It is a cyclic number.

It is not a de Polignac number, because 734501645 - 2² = 734501641 is a prime.

It is a super-3 number, since 3×734501645³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (734501641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73450160 + ... + 73450169.

It is an arithmetic number, because the mean of its divisors is an integer number (220350495).

Almost surely, 2^734501645 is an apocalyptic number.

It is an amenable number.

734501645 is a deficient number, since it is larger than the sum of its proper divisors (146900335).

734501645 is a wasteful number, since it uses less digits than its factorization.

734501645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146900334.

The product of its (nonzero) digits is 50400, while the sum is 35.

The square root of 734501645 is about 27101.6908144123. The cubic root of 734501645 is about 902.2583797236.

The spelling of 734501645 in words is "seven hundred thirty-four million, five hundred one thousand, six hundred forty-five".