72035461 has 4 divisors (see below), whose sum is σ = 72138924. Its totient is φ = 71932000.

The previous prime is 72035429. The next prime is 72035489. The reversal of 72035461 is 16453027.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 67650625 + 4384836 = 8225^2 + 2094^2 .

It is a cyclic number.

It is not a de Polignac number, because 72035461 - 2⁵ = 72035429 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72032461) 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 3 ways as a sum of consecutive naturals, for example, 50680 + ... + 52081.

It is an arithmetic number, because the mean of its divisors is an integer number (18034731).

Almost surely, 2^72035461 is an apocalyptic number.

It is an amenable number.

72035461 is a deficient number, since it is larger than the sum of its proper divisors (103463).

72035461 is a wasteful number, since it uses less digits than its factorization.

72035461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103462.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 72035461 is about 8487.3706764816. The cubic root of 72035461 is about 416.0850514124.

Adding to 72035461 its reverse (16453027), we get a palindrome (88488488).

The spelling of 72035461 in words is "seventy-two million, thirty-five thousand, four hundred sixty-one".