47774040 has 32 divisors (see below), whose sum is σ = 143322480. Its totient is φ = 12739712.

The previous prime is 47774039. The next prime is 47774057. The reversal of 47774040 is 4047774.

It is a junction number, because it is equal to n+sod(n) for n = 47773992 and 47774010.

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, 198939 + ... + 199178.

Almost surely, 2^47774040 is an apocalyptic number.

47774040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

47774040 is an abundant number, since it is smaller than the sum of its proper divisors (95548440).

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

47774040 is a wasteful number, since it uses less digits than its factorization.

47774040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398131 (or 398127 counting only the distinct ones).

The product of its (nonzero) digits is 21952, while the sum is 33.

The square root of 47774040 is about 6911.8767350120. The cubic root of 47774040 is about 362.8529483526.

The spelling of 47774040 in words is "forty-seven million, seven hundred seventy-four thousand, forty".