72560401 has 4 divisors (see below), whose sum is σ = 72578032. Its totient is φ = 72542772.

The previous prime is 72560387. The next prime is 72560413. The reversal of 72560401 is 10406527.

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 a cyclic number.

It is not a de Polignac number, because 72560401 - 2⁷ = 72560273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72560431) 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, 1006 + ... + 12088.

It is an arithmetic number, because the mean of its divisors is an integer number (18144508).

Almost surely, 2^72560401 is an apocalyptic number.

It is an amenable number.

72560401 is a deficient number, since it is larger than the sum of its proper divisors (17631).

72560401 is a wasteful number, since it uses less digits than its factorization.

It is an anagram of its base 13 representation: 72560401 = (12057064)₁₃.

72560401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17630.

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 72560401 is about 8518.2393133793. The cubic root of 72560401 is about 417.0933106884.

Adding to 72560401 its reverse (10406527), we get a palindrome (82966928).

The spelling of 72560401 in words is "seventy-two million, five hundred sixty thousand, four hundred one".