1375730452 has 12 divisors (see below), whose sum is σ = 2413595380. Its totient is φ = 686131776.

The previous prime is 1375730417. The next prime is 1375730471. The reversal of 1375730452 is 2540375731.

It can be written as a sum of positive squares in 2 ways, for example, as 1131245956 + 244484496 = 33634^2 + 15636^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 431577 + ... + 434752.

Almost surely, 2^1375730452 is an apocalyptic number.

It is an amenable number.

1375730452 is a deficient number, since it is larger than the sum of its proper divisors (1037864928).

1375730452 is a wasteful number, since it uses less digits than its factorization.

1375730452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 866730 (or 866728 counting only the distinct ones).

The product of its (nonzero) digits is 88200, while the sum is 37.

The square root of 1375730452 is about 37090.8405404892. The cubic root of 1375730452 is about 1112.1869208147.

The spelling of 1375730452 in words is "one billion, three hundred seventy-five million, seven hundred thirty thousand, four hundred fifty-two".