734642724 has 48 divisors (see below), whose sum is σ = 1795828608. Its totient is φ = 233299968.

The previous prime is 734642707. The next prime is 734642731. The reversal of 734642724 is 427246437.

It is a super-2 number, since 2×734642724² = 1079399863852280352, which contains 22 as substring.

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 15 ways as a sum of consecutive naturals, for example, 65754 + ... + 76110.

It is an arithmetic number, because the mean of its divisors is an integer number (37413096).

Almost surely, 2^734642724 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 734642724, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (897914304).

734642724 is an abundant number, since it is smaller than the sum of its proper divisors (1061185884).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

734642724 is a wasteful number, since it uses less digits than its factorization.

734642724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10644 (or 10642 counting only the distinct ones).

The product of its digits is 225792, while the sum is 39.

The square root of 734642724 is about 27104.2934606309. The cubic root of 734642724 is about 902.3161429531.

The spelling of 734642724 in words is "seven hundred thirty-four million, six hundred forty-two thousand, seven hundred twenty-four".