72058139 has 2 divisors, whose sum is σ = 72058140. Its totient is φ = 72058138.

The previous prime is 72058123. The next prime is 72058163. The reversal of 72058139 is 93185027.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 72058139 - 2⁴ = 72058123 is a prime.

It is a super-2 number, since 2×72058139² = 10384750792286642, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 72058099 and 72058108.

It is not a weakly prime, because it can be changed into another prime (72058109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36029069 + 36029070.

It is an arithmetic number, because the mean of its divisors is an integer number (36029070).

Almost surely, 2^72058139 is an apocalyptic number.

72058139 is a deficient number, since it is larger than the sum of its proper divisors (1).

72058139 is an equidigital number, since it uses as much as digits as its factorization.

72058139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15120, while the sum is 35.

The square root of 72058139 is about 8488.7065563606. The cubic root of 72058139 is about 416.1287104040.

The spelling of 72058139 in words is "seventy-two million, fifty-eight thousand, one hundred thirty-nine".