72016275829 has 4 divisors (see below), whose sum is σ = 72493204960. Its totient is φ = 71539346700.

The previous prime is 72016275817. The next prime is 72016275887. The reversal of 72016275829 is 92857261027.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 92857261027 = 31 ⋅2995395517.

It is a cyclic number.

It is not a de Polignac number, because 72016275829 - 2¹³ = 72016267637 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 (72016275899) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 238464339 + ... + 238464640.

It is an arithmetic number, because the mean of its divisors is an integer number (18123301240).

Almost surely, 2^72016275829 is an apocalyptic number.

It is an amenable number.

72016275829 is a deficient number, since it is larger than the sum of its proper divisors (476929131).

72016275829 is a wasteful number, since it uses less digits than its factorization.

72016275829 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 476929130.

The product of its (nonzero) digits is 846720, while the sum is 49.

The spelling of 72016275829 in words is "seventy-two billion, sixteen million, two hundred seventy-five thousand, eight hundred twenty-nine".