72914849 has 4 divisors (see below), whose sum is σ = 83331264. Its totient is φ = 62498436.

The previous prime is 72914843. The next prime is 72914857. The reversal of 72914849 is 94841927.

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 not a de Polignac number, because 72914849 - 2¹² = 72910753 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72914843) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5208197 + ... + 5208210.

It is an arithmetic number, because the mean of its divisors is an integer number (20832816).

Almost surely, 2^72914849 is an apocalyptic number.

It is an amenable number.

72914849 is a deficient number, since it is larger than the sum of its proper divisors (10416415).

72914849 is a wasteful number, since it uses less digits than its factorization.

72914849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10416414.

The product of its digits is 145152, while the sum is 44.

The square root of 72914849 is about 8539.0192059744. The cubic root of 72914849 is about 417.7713564546.

The spelling of 72914849 in words is "seventy-two million, nine hundred fourteen thousand, eight hundred forty-nine".