72265552437 has 8 divisors (see below), whose sum is σ = 103765921504. Its totient is φ = 44471109168.

The previous prime is 72265552421. The next prime is 72265552441. The reversal of 72265552437 is 73425556227.

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

It is not a de Polignac number, because 72265552437 - 2⁴ = 72265552421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72265552477) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 926481403 + ... + 926481480.

It is an arithmetic number, because the mean of its divisors is an integer number (12970740188).

Almost surely, 2^72265552437 is an apocalyptic number.

It is an amenable number.

72265552437 is a deficient number, since it is larger than the sum of its proper divisors (31500369067).

72265552437 is a wasteful number, since it uses less digits than its factorization.

72265552437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1852962899.

The product of its digits is 3528000, while the sum is 48.

The spelling of 72265552437 in words is "seventy-two billion, two hundred sixty-five million, five hundred fifty-two thousand, four hundred thirty-seven".