83472747 has 8 divisors (see below), whose sum is σ = 111502656. Its totient is φ = 55545672.

The previous prime is 83472731. The next prime is 83472749. The reversal of 83472747 is 74727438.

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

It is not a de Polignac number, because 83472747 - 2⁴ = 83472731 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a junction number, because it is equal to n+sod(n) for n = 83472699 and 83472708.

It is not an unprimeable number, because it can be changed into a prime (83472749) 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, 23793 + ... + 27074.

It is an arithmetic number, because the mean of its divisors is an integer number (13937832).

Almost surely, 2^83472747 is an apocalyptic number.

83472747 is a deficient number, since it is larger than the sum of its proper divisors (28029909).

83472747 is a wasteful number, since it uses less digits than its factorization.

83472747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51417.

The product of its digits is 263424, while the sum is 42.

The square root of 83472747 is about 9136.3421017385. The cubic root of 83472747 is about 437.0336747732.

The spelling of 83472747 in words is "eighty-three million, four hundred seventy-two thousand, seven hundred forty-seven".