47532749 has 8 divisors (see below), whose sum is σ = 52358592. Its totient is φ = 42791040.

The previous prime is 47532691. The next prime is 47532757. The reversal of 47532749 is 94723574.

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

It is a cyclic number.

It is not a de Polignac number, because 47532749 - 2¹² = 47528653 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47532049) 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, 19844 + ... + 22109.

It is an arithmetic number, because the mean of its divisors is an integer number (6544824).

Almost surely, 2^47532749 is an apocalyptic number.

It is an amenable number.

47532749 is a deficient number, since it is larger than the sum of its proper divisors (4825843).

47532749 is a wasteful number, since it uses less digits than its factorization.

47532749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42067.

The product of its digits is 211680, while the sum is 41.

The square root of 47532749 is about 6894.3998288466. The cubic root of 47532749 is about 362.2410332728.

The spelling of 47532749 in words is "forty-seven million, five hundred thirty-two thousand, seven hundred forty-nine".