72058687 has 4 divisors (see below), whose sum is σ = 72075760. Its totient is φ = 72041616.

The previous prime is 72058667. The next prime is 72058709. The reversal of 72058687 is 78685027.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 72058687 - 2¹⁹ = 71534399 is a prime.

It is a super-3 number, since 3×72058687³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72058627) 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, 2923 + ... + 12355.

It is an arithmetic number, because the mean of its divisors is an integer number (18018940).

Almost surely, 2^72058687 is an apocalyptic number.

72058687 is a deficient number, since it is larger than the sum of its proper divisors (17073).

72058687 is an equidigital number, since it uses as much as digits as its factorization.

72058687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17072.

The product of its (nonzero) digits is 188160, while the sum is 43.

The square root of 72058687 is about 8488.7388344795. The cubic root of 72058687 is about 416.1297652835.

The spelling of 72058687 in words is "seventy-two million, fifty-eight thousand, six hundred eighty-seven".