47477744 has 10 divisors (see below), whose sum is σ = 91988160. Its totient is φ = 23738864.

The previous prime is 47477707. The next prime is 47477767. The reversal of 47477744 is 44777474.

It is a junction number, because it is equal to n+sod(n) for n = 47477695 and 47477704.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1483664 + ... + 1483695.

It is an arithmetic number, because the mean of its divisors is an integer number (9198816).

Almost surely, 2^47477744 is an apocalyptic number.

It is an amenable number.

47477744 is a deficient number, since it is larger than the sum of its proper divisors (44510416).

47477744 is a wasteful number, since it uses less digits than its factorization.

47477744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2967367 (or 2967361 counting only the distinct ones).

The product of its digits is 614656, while the sum is 44.

The square root of 47477744 is about 6890.4095669271. The cubic root of 47477744 is about 362.1012506375.

The spelling of 47477744 in words is "forty-seven million, four hundred seventy-seven thousand, seven hundred forty-four".