47302649 has 4 divisors (see below), whose sum is σ = 47486964. Its totient is φ = 47118336.

The previous prime is 47302639. The next prime is 47302657. The reversal of 47302649 is 94620374.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 47059600 + 243049 = 6860^2 + 493^2 .

It is a cyclic number.

It is not a de Polignac number, because 47302649 - 2¹² = 47298553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47302639) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91772 + ... + 92285.

It is an arithmetic number, because the mean of its divisors is an integer number (11871741).

Almost surely, 2^47302649 is an apocalyptic number.

It is an amenable number.

47302649 is a deficient number, since it is larger than the sum of its proper divisors (184315).

47302649 is a wasteful number, since it uses less digits than its factorization.

47302649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184314.

The product of its (nonzero) digits is 36288, while the sum is 35.

The square root of 47302649 is about 6877.6921274509. The cubic root of 47302649 is about 361.6555665881.

The spelling of 47302649 in words is "forty-seven million, three hundred two thousand, six hundred forty-nine".