734628723 has 8 divisors (see below), whose sum is σ = 988659648. Its totient is φ = 485175144.

The previous prime is 734628683. The next prime is 734628751. The reversal of 734628723 is 327826437.

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

It is not a de Polignac number, because 734628723 - 2⁸ = 734628467 is a prime.

It is a super-2 number, since 2×734628723² = 1079358721313221458, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (734628773) 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 7 ways as a sum of consecutive naturals, for example, 1143961 + ... + 1144602.

It is an arithmetic number, because the mean of its divisors is an integer number (123582456).

Almost surely, 2^734628723 is an apocalyptic number.

734628723 is a deficient number, since it is larger than the sum of its proper divisors (254030925).

734628723 is a wasteful number, since it uses less digits than its factorization.

734628723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2288673.

The product of its digits is 338688, while the sum is 42.

The square root of 734628723 is about 27104.0351792865. The cubic root of 734628723 is about 902.3104107297.

The spelling of 734628723 in words is "seven hundred thirty-four million, six hundred twenty-eight thousand, seven hundred twenty-three".