47741778 has 48 divisors (see below), whose sum is σ = 123420960. Its totient is φ = 13639752.

The previous prime is 47741777. The next prime is 47741819. The reversal of 47741778 is 87714774.

It is a happy number.

47741778 is a `hidden beast` number, since 477 + 4 + 177 + 8 = 666.

It is not an unprimeable number, because it can be changed into a prime (47741773) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6376 + ... + 11667.

It is an arithmetic number, because the mean of its divisors is an integer number (2571270).

Almost surely, 2^47741778 is an apocalyptic number.

47741778 is an abundant number, since it is smaller than the sum of its proper divisors (75679182).

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

47741778 is a wasteful number, since it uses less digits than its factorization.

47741778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18068 (or 18055 counting only the distinct ones).

The product of its digits is 307328, while the sum is 45.

The square root of 47741778 is about 6909.5425318902. The cubic root of 47741778 is about 362.7712512781.

The spelling of 47741778 in words is "forty-seven million, seven hundred forty-one thousand, seven hundred seventy-eight".