72574608469 has 8 divisors (see below), whose sum is σ = 79178010912. Its totient is φ = 65972157840.

The previous prime is 72574608443. The next prime is 72574608479. The reversal of 72574608469 is 96480647527.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 72574608469 - 2⁹ = 72574607957 is a prime.

It is a super-2 number, since 2×72574608469² (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 (72574608439) 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, 73579 + ... + 388024.

It is an arithmetic number, because the mean of its divisors is an integer number (9897251364).

Almost surely, 2^72574608469 is an apocalyptic number.

It is an amenable number.

72574608469 is a deficient number, since it is larger than the sum of its proper divisors (6603402443).

72574608469 is a wasteful number, since it uses less digits than its factorization.

72574608469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 475907.

The product of its (nonzero) digits is 20321280, while the sum is 58.

The spelling of 72574608469 in words is "seventy-two billion, five hundred seventy-four million, six hundred eight thousand, four hundred sixty-nine".