72654941 has 2 divisors, whose sum is σ = 72654942. Its totient is φ = 72654940.

The previous prime is 72654937. The next prime is 72654943. The reversal of 72654941 is 14945627.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45832900 + 26822041 = 6770^2 + 5179^2 .

It is a cyclic number.

It is not a de Polignac number, because 72654941 - 2² = 72654937 is a prime.

Together with 72654943, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 72654895 and 72654904.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72654943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36327470 + 36327471.

It is an arithmetic number, because the mean of its divisors is an integer number (36327471).

Almost surely, 2^72654941 is an apocalyptic number.

It is an amenable number.

72654941 is a deficient number, since it is larger than the sum of its proper divisors (1).

72654941 is an equidigital number, since it uses as much as digits as its factorization.

72654941 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 60480, while the sum is 38.

The square root of 72654941 is about 8523.7867758409. The cubic root of 72654941 is about 417.2743777163.

The spelling of 72654941 in words is "seventy-two million, six hundred fifty-four thousand, nine hundred forty-one".