47378152 has 8 divisors (see below), whose sum is σ = 88834050. Its totient is φ = 23689072.

The previous prime is 47378147. The next prime is 47378159. The reversal of 47378152 is 25187374.

It can be written as a sum of positive squares in only one way, i.e., 47141956 + 236196 = 6866^2 + 486^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (47378159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2961127 + ... + 2961142.

Almost surely, 2^47378152 is an apocalyptic number.

It is an amenable number.

47378152 is a deficient number, since it is larger than the sum of its proper divisors (41455898).

47378152 is a wasteful number, since it uses less digits than its factorization.

47378152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5922275 (or 5922271 counting only the distinct ones).

The product of its digits is 47040, while the sum is 37.

The square root of 47378152 is about 6883.1789167506. The cubic root of 47378152 is about 361.8478853788.

The spelling of 47378152 in words is "forty-seven million, three hundred seventy-eight thousand, one hundred fifty-two".