72929365 has 8 divisors (see below), whose sum is σ = 89650008. Its totient is φ = 56920320.

The previous prime is 72929357. The next prime is 72929387. The reversal of 72929365 is 56392927.

It can be written as a sum of positive squares in 4 ways, for example, as 5410276 + 67519089 = 2326^2 + 8217^2 .

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

It is not a de Polignac number, because 72929365 - 2³ = 72929357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 177672 + ... + 178081.

It is an arithmetic number, because the mean of its divisors is an integer number (11206251).

Almost surely, 2^72929365 is an apocalyptic number.

It is an amenable number.

72929365 is a deficient number, since it is larger than the sum of its proper divisors (16720643).

72929365 is a wasteful number, since it uses less digits than its factorization.

72929365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355799.

The product of its digits is 204120, while the sum is 43.

The square root of 72929365 is about 8539.8691441965. The cubic root of 72929365 is about 417.7990781359.

The spelling of 72929365 in words is "seventy-two million, nine hundred twenty-nine thousand, three hundred sixty-five".