61261070 has 32 divisors (see below), whose sum is σ = 119151648. Its totient is φ = 22543488.

The previous prime is 61261063. The next prime is 61261087. The reversal of 61261070 is 7016216.

61261070 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 51017 + ... + 52203.

It is an arithmetic number, because the mean of its divisors is an integer number (3723489).

Almost surely, 2^61261070 is an apocalyptic number.

61261070 is a deficient number, since it is larger than the sum of its proper divisors (57890578).

61261070 is a wasteful number, since it uses less digits than its factorization.

61261070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1604.

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 61261070 is about 7826.9451256541. The cubic root of 61261070 is about 394.2105044657.

Adding to 61261070 its reverse (7016216), we get a palindrome (68277286).

The spelling of 61261070 in words is "sixty-one million, two hundred sixty-one thousand, seventy".