72862263 has 6 divisors (see below), whose sum is σ = 105245504. Its totient is φ = 48574836.

The previous prime is 72862261. The next prime is 72862277. The reversal of 72862263 is 36226827.

72862263 is a `hidden beast` number, since 7 + 28 + 622 + 6 + 3 = 666.

It is not a de Polignac number, because 72862263 - 2¹ = 72862261 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72862261) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4047895 + ... + 4047912.

Almost surely, 2^72862263 is an apocalyptic number.

72862263 is a deficient number, since it is larger than the sum of its proper divisors (32383241).

72862263 is a wasteful number, since it uses less digits than its factorization.

72862263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8095813 (or 8095810 counting only the distinct ones).

The product of its digits is 48384, while the sum is 36.

The square root of 72862263 is about 8535.9394913507. The cubic root of 72862263 is about 417.6709004282.

The spelling of 72862263 in words is "seventy-two million, eight hundred sixty-two thousand, two hundred sixty-three".