47190720 has 56 divisors (see below), whose sum is σ = 149833584. Its totient is φ = 12583936.

The previous prime is 47190709. The next prime is 47190727. The reversal of 47190720 is 2709174.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (47190727) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23619 + ... + 25538.

Almost surely, 2^47190720 is an apocalyptic number.

47190720 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

47190720 is an abundant number, since it is smaller than the sum of its proper divisors (102642864).

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

47190720 is a wasteful number, since it uses less digits than its factorization.

47190720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49177 (or 49167 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 30.

The square root of 47190720 is about 6869.5502036160. The cubic root of 47190720 is about 361.3700877481.

Adding to 47190720 its reverse (2709174), we get a palindrome (49899894).

The spelling of 47190720 in words is "forty-seven million, one hundred ninety thousand, seven hundred twenty".