47070747 has 32 divisors (see below), whose sum is σ = 72313920. Its totient is φ = 30240000.

The previous prime is 47070701. The next prime is 47070757. The reversal of 47070747 is 74707074.

It is not a de Polignac number, because 47070747 - 2¹⁰ = 47069723 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (47070757) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 111597 + ... + 112017.

It is an arithmetic number, because the mean of its divisors is an integer number (2259810).

Almost surely, 2^47070747 is an apocalyptic number.

47070747 is a deficient number, since it is larger than the sum of its proper divisors (25243173).

47070747 is a wasteful number, since it uses less digits than its factorization.

47070747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 572 (or 566 counting only the distinct ones).

The product of its (nonzero) digits is 38416, while the sum is 36.

The square root of 47070747 is about 6860.8124154505. The cubic root of 47070747 is about 361.0635907243.

It can be divided in two parts, 470 and 70747, that added together give a palindrome (71217).

The spelling of 47070747 in words is "forty-seven million, seventy thousand, seven hundred forty-seven".