72862471 has 8 divisors (see below), whose sum is σ = 82227600. Its totient is φ = 63954240.

The previous prime is 72862469. The next prime is 72862477. The reversal of 72862471 is 17426827.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 72862471 - 2¹ = 72862469 is a prime.

It is a super-3 number, since 3×72862471³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 72862471.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72862477) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 113886 + ... + 114523.

It is an arithmetic number, because the mean of its divisors is an integer number (10278450).

Almost surely, 2^72862471 is an apocalyptic number.

72862471 is a deficient number, since it is larger than the sum of its proper divisors (9365129).

72862471 is a wasteful number, since it uses less digits than its factorization.

72862471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228449.

The product of its digits is 37632, while the sum is 37.

The square root of 72862471 is about 8535.9516751209. The cubic root of 72862471 is about 417.6712978697.

The spelling of 72862471 in words is "seventy-two million, eight hundred sixty-two thousand, four hundred seventy-one".