72612587949 has 32 divisors (see below), whose sum is σ = 109023843456. Its totient is φ = 42600741120.

The previous prime is 72612587909. The next prime is 72612587953. The reversal of 72612587949 is 94978521627.

It is not a de Polignac number, because 72612587949 - 2⁷ = 72612587821 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 72612587892 and 72612587901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72612587909) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 89599 + ... + 391475.

It is an arithmetic number, because the mean of its divisors is an integer number (3406995108).

Almost surely, 2^72612587949 is an apocalyptic number.

It is an amenable number.

72612587949 is a deficient number, since it is larger than the sum of its proper divisors (36411255507).

72612587949 is a wasteful number, since it uses less digits than its factorization.

72612587949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302125.

The product of its digits is 15240960, while the sum is 60.

The spelling of 72612587949 in words is "seventy-two billion, six hundred twelve million, five hundred eighty-seven thousand, nine hundred forty-nine".