72260481 has 4 divisors (see below), whose sum is σ = 96347312. Its totient is φ = 48173652.

The previous prime is 72260459. The next prime is 72260483. The reversal of 72260481 is 18406227.

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 72260481 - 2¹⁰ = 72259457 is a prime.

It is a super-2 number, since 2×72260481² = 10443154228702722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72260483) 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, 12043411 + ... + 12043416.

It is an arithmetic number, because the mean of its divisors is an integer number (24086828).

Almost surely, 2^72260481 is an apocalyptic number.

It is an amenable number.

72260481 is a deficient number, since it is larger than the sum of its proper divisors (24086831).

72260481 is a wasteful number, since it uses less digits than its factorization.

72260481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24086830.

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 72260481 is about 8500.6165070541. The cubic root of 72260481 is about 416.5178481514.

The spelling of 72260481 in words is "seventy-two million, two hundred sixty thousand, four hundred eighty-one".