47707320 has 64 divisors (see below), whose sum is σ = 148068000. Its totient is φ = 12282368.

The previous prime is 47707301. The next prime is 47707333. The reversal of 47707320 is 2370774.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3375 + ... + 10334.

Almost surely, 2^47707320 is an apocalyptic number.

47707320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

47707320 is an abundant number, since it is smaller than the sum of its proper divisors (100360680).

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

47707320 is a wasteful number, since it uses less digits than its factorization.

47707320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13752 (or 13748 counting only the distinct ones).

The product of its (nonzero) digits is 8232, while the sum is 30.

The square root of 47707320 is about 6907.0485737397. The cubic root of 47707320 is about 362.6839526135.

It can be divided in two parts, 4770 and 7320, that added together give a triangular number (12090 = T₁₅₅).

The spelling of 47707320 in words is "forty-seven million, seven hundred seven thousand, three hundred twenty".