72880567 has 4 divisors (see below), whose sum is σ = 75393720. Its totient is φ = 70367416.

The previous prime is 72880559. The next prime is 72880579. The reversal of 72880567 is 76508827.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 76508827 = 349 ⋅219223.

It is a cyclic number.

It is not a de Polignac number, because 72880567 - 2³ = 72880559 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 (72880267) 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, 1256533 + ... + 1256590.

It is an arithmetic number, because the mean of its divisors is an integer number (18848430).

Almost surely, 2^72880567 is an apocalyptic number.

72880567 is a deficient number, since it is larger than the sum of its proper divisors (2513153).

72880567 is a wasteful number, since it uses less digits than its factorization.

72880567 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2513152.

The product of its (nonzero) digits is 188160, while the sum is 43.

The square root of 72880567 is about 8537.0115965717. The cubic root of 72880567 is about 417.7058723865.

The spelling of 72880567 in words is "seventy-two million, eight hundred eighty thousand, five hundred sixty-seven".