47909770 has 16 divisors (see below), whose sum is σ = 87700320. Its totient is φ = 18838864.

The previous prime is 47909761. The next prime is 47909803. The reversal of 47909770 is 7790974.

47909770 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×47909770² = 4590692122905800, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40012 + ... + 41191.

It is an arithmetic number, because the mean of its divisors is an integer number (5481270).

Almost surely, 2^47909770 is an apocalyptic number.

47909770 is a deficient number, since it is larger than the sum of its proper divisors (39790550).

47909770 is a wasteful number, since it uses less digits than its factorization.

47909770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81269.

The product of its (nonzero) digits is 111132, while the sum is 43.

The square root of 47909770 is about 6921.6883778454. The cubic root of 47909770 is about 363.1962551850.

The spelling of 47909770 in words is "forty-seven million, nine hundred nine thousand, seven hundred seventy".