72214403 has 2 divisors, whose sum is σ = 72214404. Its totient is φ = 72214402.

The previous prime is 72214369. The next prime is 72214451. The reversal of 72214403 is 30441227.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-72214403 is a prime.

It is equal to p_4240643 and since 72214403 and 4240643 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (72234403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36107201 + 36107202.

It is an arithmetic number, because the mean of its divisors is an integer number (36107202).

Almost surely, 2^72214403 is an apocalyptic number.

72214403 is a deficient number, since it is larger than the sum of its proper divisors (1).

72214403 is an equidigital number, since it uses as much as digits as its factorization.

72214403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 72214403 is about 8497.9058008429. The cubic root of 72214403 is about 416.4292963362.

The spelling of 72214403 in words is "seventy-two million, two hundred fourteen thousand, four hundred three".