47405870 has 16 divisors (see below), whose sum is σ = 85652640. Its totient is φ = 18890784.

The previous prime is 47405861. The next prime is 47405879. The reversal of 47405870 is 7850474.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (47405861) and next prime (47405879).

It is a self number, because there is not a number n which added to its sum of digits gives 47405870.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47405879) 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, 6122 + ... + 11501.

It is an arithmetic number, because the mean of its divisors is an integer number (5353290).

Almost surely, 2^47405870 is an apocalyptic number.

47405870 is a deficient number, since it is larger than the sum of its proper divisors (38246770).

47405870 is a wasteful number, since it uses less digits than its factorization.

47405870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17899.

The product of its (nonzero) digits is 31360, while the sum is 35.

The square root of 47405870 is about 6885.1920815617. The cubic root of 47405870 is about 361.9184364941.

The spelling of 47405870 in words is "forty-seven million, four hundred five thousand, eight hundred seventy".