47493740 has 36 divisors (see below), whose sum is σ = 116022816. Its totient is φ = 16283232.

The previous prime is 47493739. The next prime is 47493811. The reversal of 47493740 is 4739474.

It is a happy number.

47493740 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a nialpdrome in base 14.

It is a zygodrome in base 7.

It is a junction number, because it is equal to n+sod(n) for n = 47493694 and 47493703.

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 11 ways as a sum of consecutive naturals, for example, 23252 + ... + 25211.

It is an arithmetic number, because the mean of its divisors is an integer number (3222856).

Almost surely, 2^47493740 is an apocalyptic number.

It is an amenable number.

47493740 is an abundant number, since it is smaller than the sum of its proper divisors (68529076).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

47493740 is a wasteful number, since it uses less digits than its factorization.

47493740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48486 (or 48477 counting only the distinct ones).

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

The square root of 47493740 is about 6891.5702129486. The cubic root of 47493740 is about 362.1419119435.

The spelling of 47493740 in words is "forty-seven million, four hundred ninety-three thousand, seven hundred forty".