72229035 has 32 divisors (see below), whose sum is σ = 119420928. Its totient is φ = 37255680.

The previous prime is 72229033. The next prime is 72229037. The reversal of 72229035 is 53092227.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (72229033) and next prime (72229037).

It is not a de Polignac number, because 72229035 - 2¹ = 72229033 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 72228993 and 72229011.

It is not an unprimeable number, because it can be changed into a prime (72229033) 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 in 31 ways as a sum of consecutive naturals, for example, 72390 + ... + 73380.

It is an arithmetic number, because the mean of its divisors is an integer number (3731904).

Almost surely, 2^72229035 is an apocalyptic number.

72229035 is a deficient number, since it is larger than the sum of its proper divisors (47191893).

72229035 is a wasteful number, since it uses less digits than its factorization.

72229035 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1155.

The product of its (nonzero) digits is 7560, while the sum is 30.

The square root of 72229035 is about 8498.7666752300. The cubic root of 72229035 is about 416.4574199133.

The spelling of 72229035 in words is "seventy-two million, two hundred twenty-nine thousand, thirty-five".