1325769372 has 36 divisors (see below), whose sum is σ = 3352874616. Its totient is φ = 441708960.

The previous prime is 1325769349. The next prime is 1325769377. The reversal of 1325769372 is 2739675231.

1325769372 is a `hidden beast` number, since 1 + 3 + 2 + 576 + 9 + 3 + 72 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1325769377) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 77983 + ... + 93449.

It is an arithmetic number, because the mean of its divisors is an integer number (93135406).

Almost surely, 2^1325769372 is an apocalyptic number.

1325769372 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1325769372 is an abundant number, since it is smaller than the sum of its proper divisors (2027105244).

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

1325769372 is a wasteful number, since it uses less digits than its factorization.

1325769372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17858 (or 17853 counting only the distinct ones).

The product of its digits is 476280, while the sum is 45.

The square root of 1325769372 is about 36411.1160499098. The cubic root of 1325769372 is about 1098.5571639513.

The spelling of 1325769372 in words is "one billion, three hundred twenty-five million, seven hundred sixty-nine thousand, three hundred seventy-two".