72014437 has 4 divisors (see below), whose sum is σ = 78561216. Its totient is φ = 65467660.

The previous prime is 72014417. The next prime is 72014441. The reversal of 72014437 is 73441027.

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, and also an emirpimes, since its reverse is a distinct semiprime: 73441027 = 11 ⋅6676457.

It is a cyclic number.

It is not a de Polignac number, because 72014437 - 2⁷ = 72014309 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72014417) 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, 3273373 + ... + 3273394.

It is an arithmetic number, because the mean of its divisors is an integer number (19640304).

Almost surely, 2^72014437 is an apocalyptic number.

It is an amenable number.

72014437 is a deficient number, since it is larger than the sum of its proper divisors (6546779).

72014437 is a wasteful number, since it uses less digits than its factorization.

72014437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6546778.

The product of its (nonzero) digits is 4704, while the sum is 28.

The square root of 72014437 is about 8486.1320399815. The cubic root of 72014437 is about 416.0445684652.

The spelling of 72014437 in words is "seventy-two million, fourteen thousand, four hundred thirty-seven".