72825252437 has 16 divisors (see below), whose sum is σ = 87950259840. Its totient is φ = 58906165248.

The previous prime is 72825252397. The next prime is 72825252449. The reversal of 72825252437 is 73425252827.

It is not a de Polignac number, because 72825252437 - 2⁶ = 72825252373 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 72825252391 and 72825252400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72825212437) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1031108 + ... + 1099469.

It is an arithmetic number, because the mean of its divisors is an integer number (5496891240).

Almost surely, 2^72825252437 is an apocalyptic number.

It is an amenable number.

72825252437 is a deficient number, since it is larger than the sum of its proper divisors (15125007403).

72825252437 is a wasteful number, since it uses less digits than its factorization.

72825252437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2130860.

The product of its digits is 1881600, while the sum is 47.

The spelling of 72825252437 in words is "seventy-two billion, eight hundred twenty-five million, two hundred fifty-two thousand, four hundred thirty-seven".