47771470 has 16 divisors (see below), whose sum is σ = 86074560. Its totient is φ = 19089504.

The previous prime is 47771467. The next prime is 47771473. The reversal of 47771470 is 7417774.

It is an interprime number because it is at equal distance from previous prime (47771467) and next prime (47771473).

It is a super-2 number, since 2×47771470² = 4564226691921800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47771473) 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, 12619 + ... + 15961.

It is an arithmetic number, because the mean of its divisors is an integer number (5379660).

Almost surely, 2^47771470 is an apocalyptic number.

47771470 is a deficient number, since it is larger than the sum of its proper divisors (38303090).

47771470 is a wasteful number, since it uses less digits than its factorization.

47771470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4779.

The product of its (nonzero) digits is 38416, while the sum is 37.

The square root of 47771470 is about 6911.6908206314. The cubic root of 47771470 is about 362.8464416892.

The spelling of 47771470 in words is "forty-seven million, seven hundred seventy-one thousand, four hundred seventy".