47771480 has 32 divisors (see below), whose sum is σ = 108788400. Its totient is φ = 18877056.

The previous prime is 47771473. The next prime is 47771501. The reversal of 47771480 is 8417774.

It is a super-2 number, since 2×47771480² = 4564228602780800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3875 + ... + 10514.

Almost surely, 2^47771480 is an apocalyptic number.

47771480 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

47771480 is an abundant number, since it is smaller than the sum of its proper divisors (61016920).

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

47771480 is a wasteful number, since it uses less digits than its factorization.

47771480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14483 (or 14479 counting only the distinct ones).

The product of its (nonzero) digits is 43904, while the sum is 38.

The square root of 47771480 is about 6911.6915440433. The cubic root of 47771480 is about 362.8464670074.

The spelling of 47771480 in words is "forty-seven million, seven hundred seventy-one thousand, four hundred eighty".