72486552069 has 24 divisors (see below), whose sum is σ = 105435762432. Its totient is φ = 47987164800.

The previous prime is 72486552031. The next prime is 72486552101. The reversal of 72486552069 is 96025568427.

72486552069 is a `hidden beast` number, since 7 + 2 + 4 + 86 + 552 + 0 + 6 + 9 = 666.

It is not a de Polignac number, because 72486552069 - 2¹¹ = 72486550021 is a prime.

It is a super-2 number, since 2×72486552069² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72486554069) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 759774 + ... + 849840.

It is an arithmetic number, because the mean of its divisors is an integer number (4393156768).

Almost surely, 2^72486552069 is an apocalyptic number.

It is an amenable number.

72486552069 is a deficient number, since it is larger than the sum of its proper divisors (32949210363).

72486552069 is a wasteful number, since it uses less digits than its factorization.

72486552069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90697 (or 90694 counting only the distinct ones).

The product of its (nonzero) digits is 7257600, while the sum is 54.

The spelling of 72486552069 in words is "seventy-two billion, four hundred eighty-six million, five hundred fifty-two thousand, sixty-nine".