72802471 has 8 divisors (see below), whose sum is σ = 87582080. Its totient is φ = 59117688.

The previous prime is 72802469. The next prime is 72802493. The reversal of 72802471 is 17420827.

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

It is not a de Polignac number, because 72802471 - 2¹ = 72802469 is a prime.

It is a super-3 number, since 3×72802471³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72802451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 273561 + ... + 273826.

It is an arithmetic number, because the mean of its divisors is an integer number (10947760).

Almost surely, 2^72802471 is an apocalyptic number.

72802471 is a deficient number, since it is larger than the sum of its proper divisors (14779609).

72802471 is a wasteful number, since it uses less digits than its factorization.

72802471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 547413.

The product of its (nonzero) digits is 6272, while the sum is 31.

The square root of 72802471 is about 8532.4364046854. The cubic root of 72802471 is about 417.5566199042.

The spelling of 72802471 in words is "seventy-two million, eight hundred two thousand, four hundred seventy-one".