72946841 has 8 divisors (see below), whose sum is σ = 79836384. Its totient is φ = 66100320.

The previous prime is 72946837. The next prime is 72946873. The reversal of 72946841 is 14864927.

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

It is not a de Polignac number, because 72946841 - 2² = 72946837 is a prime.

It is a super-2 number, since 2×72946841² = 10642483223758562, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72946141) 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 7 ways as a sum of consecutive naturals, for example, 7151 + ... + 14036.

It is an arithmetic number, because the mean of its divisors is an integer number (9979548).

Almost surely, 2^72946841 is an apocalyptic number.

It is an amenable number.

72946841 is a deficient number, since it is larger than the sum of its proper divisors (6889543).

72946841 is a wasteful number, since it uses less digits than its factorization.

72946841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21511.

The product of its digits is 96768, while the sum is 41.

The square root of 72946841 is about 8540.8922835966. The cubic root of 72946841 is about 417.8324477466.

The spelling of 72946841 in words is "seventy-two million, nine hundred forty-six thousand, eight hundred forty-one".