47290685 has 16 divisors (see below), whose sum is σ = 64710576. Its totient is φ = 32867328.

The previous prime is 47290679. The next prime is 47290687. The reversal of 47290685 is 58609274.

It can be written as a sum of positive squares in 8 ways, for example, as 1552516 + 45738169 = 1246^2 + 6763^2 .

It is not a de Polignac number, because 47290685 - 2²⁰ = 46242109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47290687) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20294 + ... + 22503.

It is an arithmetic number, because the mean of its divisors is an integer number (4044411).

Almost surely, 2^47290685 is an apocalyptic number.

It is an amenable number.

47290685 is a deficient number, since it is larger than the sum of its proper divisors (17419891).

47290685 is a wasteful number, since it uses less digits than its factorization.

47290685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42832.

The product of its (nonzero) digits is 120960, while the sum is 41.

The square root of 47290685 is about 6876.8223039424. The cubic root of 47290685 is about 361.6250734965.

The spelling of 47290685 in words is "forty-seven million, two hundred ninety thousand, six hundred eighty-five".