47723942 has 48 divisors (see below), whose sum is σ = 89828352. Its totient is φ = 18905040.

The previous prime is 47723927. The next prime is 47723957. The reversal of 47723942 is 24932774.

47723942 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (47723927) and next prime (47723957).

It is a junction number, because it is equal to n+sod(n) for n = 47723896 and 47723905.

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 69533 + ... + 70215.

It is an arithmetic number, because the mean of its divisors is an integer number (1871424).

Almost surely, 2^47723942 is an apocalyptic number.

47723942 is a deficient number, since it is larger than the sum of its proper divisors (42104410).

47723942 is a wasteful number, since it uses less digits than its factorization.

47723942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 753 (or 746 counting only the distinct ones).

The product of its digits is 84672, while the sum is 38.

The square root of 47723942 is about 6908.2517325297. The cubic root of 47723942 is about 362.7260693693.

The spelling of 47723942 in words is "forty-seven million, seven hundred twenty-three thousand, nine hundred forty-two".