47781033 has 16 divisors (see below), whose sum is σ = 68060736. Its totient is φ = 29711360.

The previous prime is 47781011. The next prime is 47781047. The reversal of 47781033 is 33018774.

It is a cyclic number.

It is not a de Polignac number, because 47781033 - 2⁶ = 47780969 is a prime.

It is a super-2 number, since 2×47781033² = 4566054229094178, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 47780985 and 47781003.

It is not an unprimeable number, because it can be changed into a prime (47781733) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1618 + ... + 9908.

It is an arithmetic number, because the mean of its divisors is an integer number (4253796).

Almost surely, 2^47781033 is an apocalyptic number.

It is an amenable number.

47781033 is a deficient number, since it is larger than the sum of its proper divisors (20279703).

47781033 is a wasteful number, since it uses less digits than its factorization.

47781033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8424.

The product of its (nonzero) digits is 14112, while the sum is 33.

The square root of 47781033 is about 6912.3825848979. The cubic root of 47781033 is about 362.8706518786.

The spelling of 47781033 in words is "forty-seven million, seven hundred eighty-one thousand, thirty-three".