1346457472 has 64 divisors (see below), whose sum is σ = 2864649600. Its totient is φ = 628992000.

The previous prime is 1346457461. The next prime is 1346457493. The reversal of 1346457472 is 2747546431.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109222 + ... + 120922.

It is an arithmetic number, because the mean of its divisors is an integer number (44760150).

Almost surely, 2^1346457472 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 1346457472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1432324800).

1346457472 is an abundant number, since it is smaller than the sum of its proper divisors (1518192128).

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

1346457472 is a wasteful number, since it uses less digits than its factorization.

1346457472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11775 (or 11763 counting only the distinct ones).

The product of its digits is 564480, while the sum is 43.

The square root of 1346457472 is about 36694.1067747942. The cubic root of 1346457472 is about 1104.2418779694.

The spelling of 1346457472 in words is "one billion, three hundred forty-six million, four hundred fifty-seven thousand, four hundred seventy-two".