1345972472 has 32 divisors (see below), whose sum is σ = 2732882880. Its totient is φ = 617777280.

The previous prime is 1345972451. The next prime is 1345972513. The reversal of 1345972472 is 2742795431.

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, 16928 + ... + 54575.

It is an arithmetic number, because the mean of its divisors is an integer number (85402590).

Almost surely, 2^1345972472 is an apocalyptic number.

It is an amenable number.

1345972472 is an abundant number, since it is smaller than the sum of its proper divisors (1386910408).

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

1345972472 is a wasteful number, since it uses less digits than its factorization.

1345972472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71703 (or 71699 counting only the distinct ones).

The product of its digits is 423360, while the sum is 44.

The square root of 1345972472 is about 36687.4974889267. The cubic root of 1345972472 is about 1104.1092777603.

The spelling of 1345972472 in words is "one billion, three hundred forty-five million, nine hundred seventy-two thousand, four hundred seventy-two".