72882061 has 6 divisors (see below), whose sum is σ = 84781230. Its totient is φ = 62470296.

The previous prime is 72882059. The next prime is 72882091. The reversal of 72882061 is 16028827.

It can be written as a sum of positive squares in only one way, i.e., 69388900 + 3493161 = 8330^2 + 1869^2 .

It is not a de Polignac number, because 72882061 - 2¹ = 72882059 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 (72882031) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 743646 + ... + 743743.

It is an arithmetic number, because the mean of its divisors is an integer number (14130205).

Almost surely, 2^72882061 is an apocalyptic number.

It is an amenable number.

72882061 is a deficient number, since it is larger than the sum of its proper divisors (11899169).

72882061 is a wasteful number, since it uses less digits than its factorization.

72882061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1487403 (or 1487396 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 34.

The square root of 72882061 is about 8537.0990974686. The cubic root of 72882061 is about 417.7087265918.

The spelling of 72882061 in words is "seventy-two million, eight hundred eighty-two thousand, sixty-one".