72954249 has 4 divisors (see below), whose sum is σ = 97272336. Its totient is φ = 48636164.

The previous prime is 72954247. The next prime is 72954251. The reversal of 72954249 is 94245927.

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 an interprime number because it is at equal distance from previous prime (72954247) and next prime (72954251).

It is a cyclic number.

It is not a de Polignac number, because 72954249 - 2¹ = 72954247 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 72954249.

It is not an unprimeable number, because it can be changed into a prime (72954241) 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 3 ways as a sum of consecutive naturals, for example, 12159039 + ... + 12159044.

It is an arithmetic number, because the mean of its divisors is an integer number (24318084).

Almost surely, 2^72954249 is an apocalyptic number.

It is an amenable number.

72954249 is a deficient number, since it is larger than the sum of its proper divisors (24318087).

72954249 is a wasteful number, since it uses less digits than its factorization.

72954249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24318086.

The product of its digits is 181440, while the sum is 42.

The square root of 72954249 is about 8541.3259509282. The cubic root of 72954249 is about 417.8465913702.

The spelling of 72954249 in words is "seventy-two million, nine hundred fifty-four thousand, two hundred forty-nine".