61471906 has 8 divisors (see below), whose sum is σ = 92241180. Its totient is φ = 30724848.

The previous prime is 61471901. The next prime is 61471931. The reversal of 61471906 is 60917416.

It can be written as a sum of positive squares in 2 ways, for example, as 61387225 + 84681 = 7835^2 + 291^2 .

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

It is not an unprimeable number, because it can be changed into a prime (61471901) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7540 + ... + 13408.

Almost surely, 2^61471906 is an apocalyptic number.

61471906 is a deficient number, since it is larger than the sum of its proper divisors (30769274).

61471906 is a wasteful number, since it uses less digits than its factorization.

61471906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11108.

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 61471906 is about 7840.4021580529. The cubic root of 61471906 is about 394.6622247276.

The spelling of 61471906 in words is "sixty-one million, four hundred seventy-one thousand, nine hundred six".