47971700 has 36 divisors (see below), whose sum is σ = 118971552. Its totient is φ = 16447200.

The previous prime is 47971699. The next prime is 47971717. The reversal of 47971700 is 717974.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33566 + ... + 34965.

Almost surely, 2^47971700 is an apocalyptic number.

It is an amenable number.

47971700 is an abundant number, since it is smaller than the sum of its proper divisors (70999852).

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

47971700 is a wasteful number, since it uses less digits than its factorization.

47971700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68552 (or 68545 counting only the distinct ones).

The product of its (nonzero) digits is 12348, while the sum is 35.

The square root of 47971700 is about 6926.1605525717. The cubic root of 47971700 is about 363.3526815908.

The spelling of 47971700 in words is "forty-seven million, nine hundred seventy-one thousand, seven hundred".