47015397 has 84 divisors (see below), whose sum is σ = 85476972. Its totient is φ = 25660800.

The previous prime is 47015359. The next prime is 47015411. The reversal of 47015397 is 79351074.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 4322241 + 42693156 = 2079^2 + 6534^2 .

It is not a de Polignac number, because 47015397 - 2⁸ = 47015141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47015497) by changing a digit.

It is a polite number, since it can be written in 83 ways as a sum of consecutive naturals, for example, 1146697 + ... + 1146737.

It is an arithmetic number, because the mean of its divisors is an integer number (1017583).

Almost surely, 2^47015397 is an apocalyptic number.

It is an amenable number.

47015397 is a deficient number, since it is larger than the sum of its proper divisors (38461575).

47015397 is a wasteful number, since it uses less digits than its factorization.

47015397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94 (or 68 counting only the distinct ones).

The product of its (nonzero) digits is 26460, while the sum is 36.

The square root of 47015397 is about 6856.7774500854. Note that the first 3 decimals coincide. The cubic root of 47015397 is about 360.9220115803.

The spelling of 47015397 in words is "forty-seven million, fifteen thousand, three hundred ninety-seven".