61570434 has 16 divisors (see below), whose sum is σ = 123564672. Its totient is φ = 20452848.

The previous prime is 61570429. The next prime is 61570441. The reversal of 61570434 is 43407516.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15754 + ... + 19269.

It is an arithmetic number, because the mean of its divisors is an integer number (7722792).

Almost surely, 2^61570434 is an apocalyptic number.

61570434 is an abundant number, since it is smaller than the sum of its proper divisors (61994238).

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

61570434 is a wasteful number, since it uses less digits than its factorization.

61570434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35321.

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 61570434 is about 7846.6829934693. The cubic root of 61570434 is about 394.8729688187.

The spelling of 61570434 in words is "sixty-one million, five hundred seventy thousand, four hundred thirty-four".