47734785 has 32 divisors (see below), whose sum is σ = 96986880. Its totient is φ = 21821184.

The previous prime is 47734769. The next prime is 47734787. The reversal of 47734785 is 58743774.

It is not a de Polignac number, because 47734785 - 2⁴ = 47734769 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 47734785.

It is not an unprimeable number, because it can be changed into a prime (47734787) 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, 24312 + ... + 26201.

It is an arithmetic number, because the mean of its divisors is an integer number (3030840).

It is a Proth number, since it is equal to 5827 ⋅ 2¹³ + 1 and 5827 < 2¹³.

Almost surely, 2^47734785 is an apocalyptic number.

47734785 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

47734785 is an abundant number, since it is smaller than the sum of its proper divisors (49252095).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

47734785 is a wasteful number, since it uses less digits than its factorization.

47734785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50534 (or 50528 counting only the distinct ones).

The product of its digits is 658560, while the sum is 45.

The square root of 47734785 is about 6909.0364740679. The cubic root of 47734785 is about 362.7535380484.

The spelling of 47734785 in words is "forty-seven million, seven hundred thirty-four thousand, seven hundred eighty-five".