47143480 has 32 divisors (see below), whose sum is σ = 108543600. Its totient is φ = 18418176.

The previous prime is 47143477. The next prime is 47143483. The reversal of 47143480 is 8434174.

It is an interprime number because it is at equal distance from previous prime (47143477) and next prime (47143483).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47143483) 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, 11985 + ... + 15424.

Almost surely, 2^47143480 is an apocalyptic number.

47143480 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

47143480 is an abundant number, since it is smaller than the sum of its proper divisors (61400120).

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

47143480 is a wasteful number, since it uses less digits than its factorization.

47143480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27463 (or 27459 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 31.

The square root of 47143480 is about 6866.1109807518. The cubic root of 47143480 is about 361.2494650040.

The spelling of 47143480 in words is "forty-seven million, one hundred forty-three thousand, four hundred eighty".