61770026 has 24 divisors (see below), whose sum is σ = 100071840. Its totient is φ = 28516320.

The previous prime is 61770013. The next prime is 61770053. The reversal of 61770026 is 62007716.

61770026 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×61770026² = 7631072224081352, which contains 22 as substring.

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 11 ways as a sum of consecutive naturals, for example, 63395 + ... + 64361.

It is an arithmetic number, because the mean of its divisors is an integer number (4169660).

Almost surely, 2^61770026 is an apocalyptic number.

61770026 is a deficient number, since it is larger than the sum of its proper divisors (38301814).

61770026 is a wasteful number, since it uses less digits than its factorization.

61770026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1070 (or 1029 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 29.

The square root of 61770026 is about 7859.3909433238. The cubic root of 61770026 is about 395.2991932832.

The spelling of 61770026 in words is "sixty-one million, seven hundred seventy thousand, twenty-six".