734100640 has 192 divisors, whose sum is σ = 2156765184. Its totient is φ = 229920768.

The previous prime is 734100617. The next prime is 734100707. The reversal of 734100640 is 46001437.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1848922 + ... + 1849318.

It is an arithmetic number, because the mean of its divisors is an integer number (11233152).

Almost surely, 2^734100640 is an apocalyptic number.

734100640 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 734100640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1078382592).

734100640 is an abundant number, since it is smaller than the sum of its proper divisors (1422664544).

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

734100640 is a wasteful number, since it uses less digits than its factorization.

734100640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 559 (or 551 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 734100640 is about 27094.2916497184. The cubic root of 734100640 is about 902.0941522786.

The spelling of 734100640 in words is "seven hundred thirty-four million, one hundred thousand, six hundred forty".