47474397 has 8 divisors (see below), whose sum is σ = 70332480. Its totient is φ = 31649580.

The previous prime is 47474389. The next prime is 47474417. The reversal of 47474397 is 79347474.

It is not a de Polignac number, because 47474397 - 2³ = 47474389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47474327) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 879129 + ... + 879182.

It is an arithmetic number, because the mean of its divisors is an integer number (8791560).

Almost surely, 2^47474397 is an apocalyptic number.

It is an amenable number.

47474397 is a deficient number, since it is larger than the sum of its proper divisors (22858083).

47474397 is a wasteful number, since it uses less digits than its factorization.

47474397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1758320 (or 1758314 counting only the distinct ones).

The product of its digits is 592704, while the sum is 45.

The square root of 47474397 is about 6890.1666888400. The cubic root of 47474397 is about 362.0927415182.

The spelling of 47474397 in words is "forty-seven million, four hundred seventy-four thousand, three hundred ninety-seven".