61470765 has 16 divisors (see below), whose sum is σ = 109281600. Its totient is φ = 32784336.

The previous prime is 61470763. The next prime is 61470781. The reversal of 61470765 is 56707416.

It is not a de Polignac number, because 61470765 - 2¹ = 61470763 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61470763) 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, 227535 + ... + 227804.

It is an arithmetic number, because the mean of its divisors is an integer number (6830100).

Almost surely, 2^61470765 is an apocalyptic number.

It is an amenable number.

61470765 is a deficient number, since it is larger than the sum of its proper divisors (47810835).

61470765 is a wasteful number, since it uses less digits than its factorization.

61470765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 455353 (or 455347 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 36.

The square root of 61470765 is about 7840.3293935906. The cubic root of 61470765 is about 394.6597828946.

The spelling of 61470765 in words is "sixty-one million, four hundred seventy thousand, seven hundred sixty-five".