61070770 has 16 divisors (see below), whose sum is σ = 110130840. Its totient is φ = 24383104.

The previous prime is 61070767. The next prime is 61070791. The reversal of 61070770 is 7707016.

61070770 = T₄₉₄₀ + T₄₉₄₁ + ... + T₄₉₄₄.

It can be written as a sum of positive squares in 4 ways, for example, as 23824161 + 37246609 = 4881^2 + 6103^2 .

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, 324 + ... + 11056.

Almost surely, 2^61070770 is an apocalyptic number.

61070770 is a deficient number, since it is larger than the sum of its proper divisors (49060070).

61070770 is a wasteful number, since it uses less digits than its factorization.

61070770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11309.

The product of its (nonzero) digits is 2058, while the sum is 28.

The square root of 61070770 is about 7814.7789476095. The cubic root of 61070770 is about 393.8018922118.

Adding to 61070770 its reverse (7707016), we get a palindrome (68777786).

The spelling of 61070770 in words is "sixty-one million, seventy thousand, seven hundred seventy".