47700245 has 8 divisors (see below), whose sum is σ = 57279960. Its totient is φ = 38133760.

The previous prime is 47700239. The next prime is 47700251. The reversal of 47700245 is 54200774.

It is an interprime number because it is at equal distance from previous prime (47700239) and next prime (47700251).

It can be written as a sum of positive squares in 4 ways, for example, as 5424241 + 42276004 = 2329^2 + 6502^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 47700245 - 2²⁴ = 30923029 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8405 + ... + 12885.

It is an arithmetic number, because the mean of its divisors is an integer number (7159995).

Almost surely, 2^47700245 is an apocalyptic number.

It is an amenable number.

47700245 is a deficient number, since it is larger than the sum of its proper divisors (9579715).

47700245 is a wasteful number, since it uses less digits than its factorization.

47700245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6615.

The product of its (nonzero) digits is 7840, while the sum is 29.

The square root of 47700245 is about 6906.5363967766. The cubic root of 47700245 is about 362.6660230391. Note that the first 3 decimals are identical.

The spelling of 47700245 in words is "forty-seven million, seven hundred thousand, two hundred forty-five".