47420737 has 8 divisors (see below), whose sum is σ = 58364096. Its totient is φ = 37519632.

The previous prime is 47420699. The next prime is 47420749. The reversal of 47420737 is 73702474.

It is a happy number.

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 47420737 - 2¹¹ = 47418689 is a prime.

It is not an unprimeable number, because it can be changed into a prime (47420767) 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, 260463 + ... + 260644.

It is an arithmetic number, because the mean of its divisors is an integer number (7295512).

Almost surely, 2^47420737 is an apocalyptic number.

It is an amenable number.

47420737 is a deficient number, since it is larger than the sum of its proper divisors (10943359).

47420737 is a wasteful number, since it uses less digits than its factorization.

47420737 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 521127.

The product of its (nonzero) digits is 32928, while the sum is 34.

The square root of 47420737 is about 6886.2716327487. The cubic root of 47420737 is about 361.9562664015.

The spelling of 47420737 in words is "forty-seven million, four hundred twenty thousand, seven hundred thirty-seven".