47402805 has 8 divisors (see below), whose sum is σ = 75844512. Its totient is φ = 25281488.

The previous prime is 47402801. The next prime is 47402807. The reversal of 47402805 is 50820474.

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 47402805 - 2² = 47402801 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47402801) 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, 1580079 + ... + 1580108.

It is an arithmetic number, because the mean of its divisors is an integer number (9480564).

Almost surely, 2^47402805 is an apocalyptic number.

It is an amenable number.

47402805 is a deficient number, since it is larger than the sum of its proper divisors (28441707).

47402805 is a wasteful number, since it uses less digits than its factorization.

47402805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3160195.

The product of its (nonzero) digits is 8960, while the sum is 30.

The square root of 47402805 is about 6884.9694988431. The cubic root of 47402805 is about 361.9106364480.

The spelling of 47402805 in words is "forty-seven million, four hundred two thousand, eight hundred five".