72214741 has 2 divisors, whose sum is σ = 72214742. Its totient is φ = 72214740.

The previous prime is 72214729. The next prime is 72214757. The reversal of 72214741 is 14741227.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 68807025 + 3407716 = 8295^2 + 1846^2 .

It is a cyclic number.

It is not a de Polignac number, because 72214741 - 2⁹ = 72214229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72214711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36107370 + 36107371.

It is an arithmetic number, because the mean of its divisors is an integer number (36107371).

Almost surely, 2^72214741 is an apocalyptic number.

It is an amenable number.

72214741 is a deficient number, since it is larger than the sum of its proper divisors (1).

72214741 is an equidigital number, since it uses as much as digits as its factorization.

72214741 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3136, while the sum is 28.

The square root of 72214741 is about 8497.9256880724. The cubic root of 72214741 is about 416.4299460353.

Adding to 72214741 its reverse (14741227), we get a palindrome (86955968).

The spelling of 72214741 in words is "seventy-two million, two hundred fourteen thousand, seven hundred forty-one".