72510214130 has 8 divisors (see below), whose sum is σ = 130518385452. Its totient is φ = 29004085648.

The previous prime is 72510214099. The next prime is 72510214151. The reversal of 72510214130 is 3141201527.

It can be written as a sum of positive squares in 2 ways, for example, as 61386504169 + 11123709961 = 247763^2 + 105469^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 72510214130.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3625510697 + ... + 3625510716.

Almost surely, 2^72510214130 is an apocalyptic number.

72510214130 is a deficient number, since it is larger than the sum of its proper divisors (58008171322).

72510214130 is a wasteful number, since it uses less digits than its factorization.

72510214130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7251021420.

The product of its (nonzero) digits is 1680, while the sum is 26.

Adding to 72510214130 its reverse (3141201527), we get a palindrome (75651415657).

The spelling of 72510214130 in words is "seventy-two billion, five hundred ten million, two hundred fourteen thousand, one hundred thirty".