72946127 has 4 divisors (see below), whose sum is σ = 73825080. Its totient is φ = 72067176.

The previous prime is 72946063. The next prime is 72946141. The reversal of 72946127 is 72164927.

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

It is a cyclic number.

It is not a de Polignac number, because 72946127 - 2⁶ = 72946063 is a prime.

It is a super-2 number, since 2×72946127² = 10642274888600258, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72946177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 439352 + ... + 439517.

It is an arithmetic number, because the mean of its divisors is an integer number (18456270).

Almost surely, 2^72946127 is an apocalyptic number.

72946127 is a deficient number, since it is larger than the sum of its proper divisors (878953).

72946127 is an equidigital number, since it uses as much as digits as its factorization.

72946127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 878952.

The product of its digits is 42336, while the sum is 38.

The square root of 72946127 is about 8540.8504845829. The cubic root of 72946127 is about 417.8310845011.

The spelling of 72946127 in words is "seventy-two million, nine hundred forty-six thousand, one hundred twenty-seven".