72036461 has 8 divisors (see below), whose sum is σ = 82469184. Its totient is φ = 61639200.

The previous prime is 72036443. The next prime is 72036469. The reversal of 72036461 is 16463027.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-72036461 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72036469) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4355 + ... + 12768.

It is an arithmetic number, because the mean of its divisors is an integer number (10308648).

Almost surely, 2^72036461 is an apocalyptic number.

It is an amenable number.

72036461 is a deficient number, since it is larger than the sum of its proper divisors (10432723).

72036461 is a wasteful number, since it uses less digits than its factorization.

72036461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17731.

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 72036461 is about 8487.4295873368. The cubic root of 72036461 is about 416.0869767749.

Adding to 72036461 its reverse (16463027), we get a palindrome (88499488).

The spelling of 72036461 in words is "seventy-two million, thirty-six thousand, four hundred sixty-one".