734186140 has 48 divisors (see below), whose sum is σ = 1636582752. Its totient is φ = 275705856.

The previous prime is 734186129. The next prime is 734186143. The reversal of 734186140 is 41681437.

It is a happy number.

734186140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a junction number, because it is equal to n+sod(n) for n = 734186096 and 734186105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (734186143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 144727 + ... + 149713.

It is an arithmetic number, because the mean of its divisors is an integer number (34095474).

Almost surely, 2^734186140 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 734186140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (818291376).

734186140 is an abundant number, since it is smaller than the sum of its proper divisors (902396612).

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

734186140 is a wasteful number, since it uses less digits than its factorization.

734186140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5446 (or 5444 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 734186140 is about 27095.8694269071. The cubic root of 734186140 is about 902.1291729336.

The spelling of 734186140 in words is "seven hundred thirty-four million, one hundred eighty-six thousand, one hundred forty".