72054349 has 2 divisors, whose sum is σ = 72054350. Its totient is φ = 72054348.

The previous prime is 72054287. The next prime is 72054361. The reversal of 72054349 is 94345027.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 44649124 + 27405225 = 6682^2 + 5235^2 .

It is a cyclic number.

It is not a de Polignac number, because 72054349 - 2¹¹ = 72052301 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72054049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36027174 + 36027175.

It is an arithmetic number, because the mean of its divisors is an integer number (36027175).

Almost surely, 2^72054349 is an apocalyptic number.

It is an amenable number.

72054349 is a deficient number, since it is larger than the sum of its proper divisors (1).

72054349 is an equidigital number, since it uses as much as digits as its factorization.

72054349 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 72054349 is about 8488.4833156460. The cubic root of 72054349 is about 416.1214146496.

The spelling of 72054349 in words is "seventy-two million, fifty-four thousand, three hundred forty-nine".