72150047 has 2 divisors, whose sum is σ = 72150048. Its totient is φ = 72150046.

The previous prime is 72149983. The next prime is 72150053. The reversal of 72150047 is 74005127.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 72150047 - 2⁶ = 72149983 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 72149998 and 72150025.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72150647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36075023 + 36075024.

It is an arithmetic number, because the mean of its divisors is an integer number (36075024).

Almost surely, 2^72150047 is an apocalyptic number.

72150047 is a deficient number, since it is larger than the sum of its proper divisors (1).

72150047 is an equidigital number, since it uses as much as digits as its factorization.

72150047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1960, while the sum is 26.

The square root of 72150047 is about 8494.1183768535. The cubic root of 72150047 is about 416.3055551445.

The spelling of 72150047 in words is "seventy-two million, one hundred fifty thousand, forty-seven".