47774072 has 8 divisors (see below), whose sum is σ = 89576400. Its totient is φ = 23887032.

The previous prime is 47774071. The next prime is 47774081. The reversal of 47774072 is 27047774.

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

It is a super-2 number, since 2×47774072² = 4564723910922368, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47774071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2985872 + ... + 2985887.

It is an arithmetic number, because the mean of its divisors is an integer number (11197050).

Almost surely, 2^47774072 is an apocalyptic number.

It is an amenable number.

47774072 is a deficient number, since it is larger than the sum of its proper divisors (41802328).

47774072 is a wasteful number, since it uses less digits than its factorization.

47774072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5971765 (or 5971761 counting only the distinct ones).

The product of its (nonzero) digits is 76832, while the sum is 38.

The square root of 47774072 is about 6911.8790498677. The cubic root of 47774072 is about 362.8530293680.

The spelling of 47774072 in words is "forty-seven million, seven hundred seventy-four thousand, seventy-two".