1393537672 has 16 divisors (see below), whose sum is σ = 2750403600. Its totient is φ = 660096720.

The previous prime is 1393537657. The next prime is 1393537681. The reversal of 1393537672 is 2767353931.

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, 4583854 + ... + 4584157.

It is an arithmetic number, because the mean of its divisors is an integer number (171900225).

Almost surely, 2^1393537672 is an apocalyptic number.

It is an amenable number.

1393537672 is a deficient number, since it is larger than the sum of its proper divisors (1356865928).

1393537672 is a wasteful number, since it uses less digits than its factorization.

1393537672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9168036 (or 9168032 counting only the distinct ones).

The product of its digits is 714420, while the sum is 46.

The square root of 1393537672 is about 37330.1174924484. The cubic root of 1393537672 is about 1116.9650166291.

The spelling of 1393537672 in words is "one billion, three hundred ninety-three million, five hundred thirty-seven thousand, six hundred seventy-two".