47357397 has 6 divisors (see below), whose sum is σ = 68405142. Its totient is φ = 31571592.

The previous prime is 47357389. The next prime is 47357407. The reversal of 47357397 is 79375374.

47357397 is a `hidden beast` number, since 4 + 73 + 573 + 9 + 7 = 666.

It can be written as a sum of positive squares in only one way, i.e., 36108081 + 11249316 = 6009^2 + 3354^2 .

It is not a de Polignac number, because 47357397 - 2³ = 47357389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47357347) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2630958 + ... + 2630975.

It is an arithmetic number, because the mean of its divisors is an integer number (11400857).

Almost surely, 2^47357397 is an apocalyptic number.

It is an amenable number.

47357397 is a deficient number, since it is larger than the sum of its proper divisors (21047745).

47357397 is a wasteful number, since it uses less digits than its factorization.

47357397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5261939 (or 5261936 counting only the distinct ones).

The product of its digits is 555660, while the sum is 45.

The square root of 47357397 is about 6881.6710906581. The cubic root of 47357397 is about 361.7950392920.

The spelling of 47357397 in words is "forty-seven million, three hundred fifty-seven thousand, three hundred ninety-seven".