61506675 has 24 divisors (see below), whose sum is σ = 112991280. Its totient is φ = 32803200.

The previous prime is 61506673. The next prime is 61506689. The reversal of 61506675 is 57660516.

It is a happy number.

61506675 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 61506675 - 2¹ = 61506673 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61506673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 44886 + ... + 46235.

It is an arithmetic number, because the mean of its divisors is an integer number (4707970).

Almost surely, 2^61506675 is an apocalyptic number.

61506675 is a deficient number, since it is larger than the sum of its proper divisors (51484605).

61506675 is a wasteful number, since it uses less digits than its factorization.

61506675 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91140 (or 91129 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 36.

The square root of 61506675 is about 7842.6191415878. The cubic root of 61506675 is about 394.7366187367.

The spelling of 61506675 in words is "sixty-one million, five hundred six thousand, six hundred seventy-five".