72449059 has 4 divisors (see below), whose sum is σ = 72514360. Its totient is φ = 72383760.

The previous prime is 72449021. The next prime is 72449081. The reversal of 72449059 is 95094427.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 95094427 = 601 ⋅158227.

It is a cyclic number.

It is not a de Polignac number, because 72449059 - 2¹⁹ = 71924771 is a prime.

It is a super-2 number, since 2×72449059² = 10497732299970962, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72449659) 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, 30957 + ... + 33214.

It is an arithmetic number, because the mean of its divisors is an integer number (18128590).

Almost surely, 2^72449059 is an apocalyptic number.

72449059 is a deficient number, since it is larger than the sum of its proper divisors (65301).

72449059 is a wasteful number, since it uses less digits than its factorization.

72449059 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65300.

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 72449059 is about 8511.7012988004. The cubic root of 72449059 is about 416.8798619538.

The spelling of 72449059 in words is "seventy-two million, four hundred forty-nine thousand, fifty-nine".