1346729472 has 180 divisors, whose sum is σ = 4266266004. Its totient is φ = 405596160.

The previous prime is 1346729471. The next prime is 1346729507. The reversal of 1346729472 is 2749276431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1346729471) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 8262063 + ... + 8262225.

Almost surely, 2^1346729472 is an apocalyptic number.

1346729472 is a gapful number since it is divisible by the number (12) 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 1346729472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2133133002).

1346729472 is an abundant number, since it is smaller than the sum of its proper divisors (2919536532).

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

1346729472 is an equidigital number, since it uses as much as digits as its factorization.

1346729472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361 (or 179 counting only the distinct ones).

The product of its digits is 508032, while the sum is 45.

The square root of 1346729472 is about 36697.8129048585. The cubic root of 1346729472 is about 1104.3162295115.

The spelling of 1346729472 in words is "one billion, three hundred forty-six million, seven hundred twenty-nine thousand, four hundred seventy-two".