72047283 has 32 divisors (see below), whose sum is σ = 121754112. Its totient is φ = 36806400.

The previous prime is 72047243. The next prime is 72047323. The reversal of 72047283 is 38274027.

It is an interprime number because it is at equal distance from previous prime (72047243) and next prime (72047323).

It is not a de Polignac number, because 72047283 - 2⁹ = 72046771 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (72047233) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11535 + ... + 16647.

It is an arithmetic number, because the mean of its divisors is an integer number (3804816).

Almost surely, 2^72047283 is an apocalyptic number.

72047283 is a deficient number, since it is larger than the sum of its proper divisors (49706829).

72047283 is a wasteful number, since it uses less digits than its factorization.

72047283 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5195.

The product of its (nonzero) digits is 18816, while the sum is 33.

The square root of 72047283 is about 8488.0670944568. The cubic root of 72047283 is about 416.1078119082.

The spelling of 72047283 in words is "seventy-two million, forty-seven thousand, two hundred eighty-three".