1347535872 has 352 divisors, whose sum is σ = 4386147840. Its totient is φ = 406978560.

The previous prime is 1347535853. The next prime is 1347535877. The reversal of 1347535872 is 2785357431.

1347535872 is a `hidden beast` number, since 1 + 3 + 47 + 535 + 8 + 72 = 666.

It is not an unprimeable number, because it can be changed into a prime (1347535877) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22090722 + ... + 22090782.

Almost surely, 2^1347535872 is an apocalyptic number.

1347535872 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 1347535872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2193073920).

1347535872 is an abundant number, since it is smaller than the sum of its proper divisors (3038611968).

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

1347535872 is a wasteful number, since it uses less digits than its factorization.

1347535872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154 (or 130 counting only the distinct ones).

The product of its digits is 705600, while the sum is 45.

The square root of 1347535872 is about 36708.7982914178. The cubic root of 1347535872 is about 1104.5366011456.

It can be divided in two parts, 134753 and 5872, that added together give a square (140625 = 375²).

The spelling of 1347535872 in words is "one billion, three hundred forty-seven million, five hundred thirty-five thousand, eight hundred seventy-two".