72889275 has 12 divisors (see below), whose sum is σ = 120510392. Its totient is φ = 38874240.

The previous prime is 72889273. The next prime is 72889283. The reversal of 72889275 is 57298827.

It is not a de Polignac number, because 72889275 - 2¹ = 72889273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72889273) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 485854 + ... + 486003.

Almost surely, 2^72889275 is an apocalyptic number.

72889275 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

72889275 is a deficient number, since it is larger than the sum of its proper divisors (47621117).

72889275 is a wasteful number, since it uses less digits than its factorization.

72889275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 971870 (or 971865 counting only the distinct ones).

The product of its digits is 564480, while the sum is 48.

The square root of 72889275 is about 8537.5215958731. The cubic root of 72889275 is about 417.7225079956.

The spelling of 72889275 in words is "seventy-two million, eight hundred eighty-nine thousand, two hundred seventy-five".