47930749 has 4 divisors (see below), whose sum is σ = 50453440. Its totient is φ = 45408060.

The previous prime is 47930747. The next prime is 47930759. The reversal of 47930749 is 94703974.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 47930749 - 2¹ = 47930747 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 (47930747) 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, 1261317 + ... + 1261354.

It is an arithmetic number, because the mean of its divisors is an integer number (12613360).

Almost surely, 2^47930749 is an apocalyptic number.

It is an amenable number.

47930749 is a deficient number, since it is larger than the sum of its proper divisors (2522691).

47930749 is a wasteful number, since it uses less digits than its factorization.

47930749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2522690.

The product of its (nonzero) digits is 190512, while the sum is 43.

The square root of 47930749 is about 6923.2036659339. The cubic root of 47930749 is about 363.2492602565.

The spelling of 47930749 in words is "forty-seven million, nine hundred thirty thousand, seven hundred forty-nine".