72865071429 has 8 divisors (see below), whose sum is σ = 97157526912. Its totient is φ = 48574665120.

The previous prime is 72865071427. The next prime is 72865071439. The reversal of 72865071429 is 92417056827.

It is a happy number.

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

It is not a de Polignac number, because 72865071429 - 2¹ = 72865071427 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72865071427) 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, 427309 + ... + 572994.

It is an arithmetic number, because the mean of its divisors is an integer number (12144690864).

Almost surely, 2^72865071429 is an apocalyptic number.

It is an amenable number.

72865071429 is a deficient number, since it is larger than the sum of its proper divisors (24292455483).

72865071429 is a wasteful number, since it uses less digits than its factorization.

72865071429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1024587.

The product of its (nonzero) digits is 1693440, while the sum is 51.

The spelling of 72865071429 in words is "seventy-two billion, eight hundred sixty-five million, seventy-one thousand, four hundred twenty-nine".