47173240 has 16 divisors (see below), whose sum is σ = 106139880. Its totient is φ = 18869280.

The previous prime is 47173237. The next prime is 47173267. The reversal of 47173240 is 4237174.

It is a junction number, because it is equal to n+sod(n) for n = 47173199 and 47173208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 589626 + ... + 589705.

Almost surely, 2^47173240 is an apocalyptic number.

47173240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

47173240 is an abundant number, since it is smaller than the sum of its proper divisors (58966640).

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

47173240 is a wasteful number, since it uses less digits than its factorization.

47173240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1179342 (or 1179338 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 28.

The square root of 47173240 is about 6868.2778045155. The cubic root of 47173240 is about 361.3254636552.

The spelling of 47173240 in words is "forty-seven million, one hundred seventy-three thousand, two hundred forty".