72996041 has 4 divisors (see below), whose sum is σ = 75350784. Its totient is φ = 70641300.

The previous prime is 72996037. The next prime is 72996059. The reversal of 72996041 is 14069927.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 72996041 - 2² = 72996037 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 72995986 and 72996004.

It is not an unprimeable number, because it can be changed into a prime (72996061) 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, 1177325 + ... + 1177386.

It is an arithmetic number, because the mean of its divisors is an integer number (18837696).

Almost surely, 2^72996041 is an apocalyptic number.

It is an amenable number.

72996041 is a deficient number, since it is larger than the sum of its proper divisors (2354743).

72996041 is a wasteful number, since it uses less digits than its factorization.

72996041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2354742.

The product of its (nonzero) digits is 27216, while the sum is 38.

The square root of 72996041 is about 8543.7720592254. The cubic root of 72996041 is about 417.9263642486.

The spelling of 72996041 in words is "seventy-two million, nine hundred ninety-six thousand, forty-one".