72041851 has 8 divisors (see below), whose sum is σ = 83259360. Its totient is φ = 61055808.

The previous prime is 72041843. The next prime is 72041857. The reversal of 72041851 is 15814027.

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

It is a cyclic number.

It is not a de Polignac number, because 72041851 - 2³ = 72041843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72041857) 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, 57196 + ... + 58441.

It is an arithmetic number, because the mean of its divisors is an integer number (10407420).

Almost surely, 2^72041851 is an apocalyptic number.

72041851 is a deficient number, since it is larger than the sum of its proper divisors (11217509).

72041851 is a wasteful number, since it uses less digits than its factorization.

72041851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115733.

The product of its (nonzero) digits is 2240, while the sum is 28.

The square root of 72041851 is about 8487.7471098048. The cubic root of 72041851 is about 416.0973541719.

Adding to 72041851 its reverse (15814027), we get a palindrome (87855878).

The spelling of 72041851 in words is "seventy-two million, forty-one thousand, eight hundred fifty-one".