47773240 has 32 divisors (see below), whose sum is σ = 107730000. Its totient is φ = 19066624.

The previous prime is 47773199. The next prime is 47773259. The reversal of 47773240 is 4237774.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 47773196 and 47773205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21711 + ... + 23809.

Almost surely, 2^47773240 is an apocalyptic number.

47773240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

47773240 is an abundant number, since it is smaller than the sum of its proper divisors (59956760).

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

47773240 is a wasteful number, since it uses less digits than its factorization.

47773240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2679 (or 2675 counting only the distinct ones).

The product of its (nonzero) digits is 32928, while the sum is 34.

The square root of 47773240 is about 6911.8188633673. The cubic root of 47773240 is about 362.8509229571.

The spelling of 47773240 in words is "forty-seven million, seven hundred seventy-three thousand, two hundred forty".