61470312 has 16 divisors (see below), whose sum is σ = 153675840. Its totient is φ = 20490096.

The previous prime is 61470287. The next prime is 61470319. The reversal of 61470312 is 21307416.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 2561263 = 61470312 / (6 + 1 + 4 + 7 + 0 + 3 + 1 + 2).

It is not an unprimeable number, because it can be changed into a prime (61470319) 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, 1280608 + ... + 1280655.

It is an arithmetic number, because the mean of its divisors is an integer number (9604740).

Almost surely, 2^61470312 is an apocalyptic number.

It is an amenable number.

61470312 is an abundant number, since it is smaller than the sum of its proper divisors (92205528).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61470312 is a wasteful number, since it uses less digits than its factorization.

61470312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2561272 (or 2561268 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 61470312 is about 7840.3005044450. The cubic root of 61470312 is about 394.6588134293.

Adding to 61470312 its reverse (21307416), we get a palindrome (82777728).

The spelling of 61470312 in words is "sixty-one million, four hundred seventy thousand, three hundred twelve".