61550706 has 16 divisors (see below), whose sum is σ = 140687424. Its totient is φ = 17585904.

The previous prime is 61550701. The next prime is 61550707. The reversal of 61550706 is 60705516.

61550706 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (61550701) 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 7 ways as a sum of consecutive naturals, for example, 732705 + ... + 732788.

It is an arithmetic number, because the mean of its divisors is an integer number (8792964).

Almost surely, 2^61550706 is an apocalyptic number.

61550706 is an abundant number, since it is smaller than the sum of its proper divisors (79136718).

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

61550706 is a wasteful number, since it uses less digits than its factorization.

61550706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1465505.

The product of its (nonzero) digits is 6300, while the sum is 30.

The square root of 61550706 is about 7845.4258010640. The cubic root of 61550706 is about 394.8307900997.

The spelling of 61550706 in words is "sixty-one million, five hundred fifty thousand, seven hundred six".