5261730372 has 18 divisors (see below), whose sum is σ = 13300485198. Its totient is φ = 1753910112.

The previous prime is 5261730361. The next prime is 5261730377. The reversal of 5261730372 is 2730371625.

5261730372 is a `hidden beast` number, since 5 + 2 + 617 + 3 + 0 + 37 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 3279165696 + 1982564676 = 57264^2 + 44526^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 146159177 = 5261730372 / (5 + 2 + 6 + 1 + 7 + 3 + 0 + 3 + 7 + 2).

It is not an unprimeable number, because it can be changed into a prime (5261730377) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 73079553 + ... + 73079624.

Almost surely, 2^5261730372 is an apocalyptic number.

It is an amenable number.

5261730372 is an abundant number, since it is smaller than the sum of its proper divisors (8038754826).

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

5261730372 is a wasteful number, since it uses less digits than its factorization.

5261730372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146159187 (or 146159182 counting only the distinct ones).

The product of its (nonzero) digits is 52920, while the sum is 36.

The square root of 5261730372 is about 72537.7858222871. The cubic root of 5261730372 is about 1739.3068067154.

The spelling of 5261730372 in words is "five billion, two hundred sixty-one million, seven hundred thirty thousand, three hundred seventy-two".