47061378 has 128 divisors (see below), whose sum is σ = 131658240. Its totient is φ = 12130560.

The previous prime is 47061361. The next prime is 47061401. The reversal of 47061378 is 87316074.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a nialpdrome in base 13.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 299676 + ... + 299832.

It is an arithmetic number, because the mean of its divisors is an integer number (1028580).

Almost surely, 2^47061378 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47061378, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65829120).

47061378 is an abundant number, since it is smaller than the sum of its proper divisors (84596862).

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

47061378 is a wasteful number, since it uses less digits than its factorization.

47061378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249 (or 243 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

The square root of 47061378 is about 6860.1295906127. The cubic root of 47061378 is about 361.0396336705.

It can be divided in two parts, 4706 and 1378, that added together give a square (6084 = 78²).

The spelling of 47061378 in words is "forty-seven million, sixty-one thousand, three hundred seventy-eight".