61670370 has 16 divisors (see below), whose sum is σ = 148008960. Its totient is φ = 16445424.

The previous prime is 61670353. The next prime is 61670393. The reversal of 61670370 is 7307616.

61670370 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 2055679 = 61670370 / (6 + 1 + 6 + 7 + 0 + 3 + 7 + 0).

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 7 ways as a sum of consecutive naturals, for example, 1027810 + ... + 1027869.

It is an arithmetic number, because the mean of its divisors is an integer number (9250560).

Almost surely, 2^61670370 is an apocalyptic number.

61670370 is an abundant number, since it is smaller than the sum of its proper divisors (86338590).

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

61670370 is a wasteful number, since it uses less digits than its factorization.

61670370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2055689.

The product of its (nonzero) digits is 5292, while the sum is 30.

The square root of 61670370 is about 7853.0484526711. The cubic root of 61670370 is about 395.0864949718.

Adding to 61670370 its reverse (7307616), we get a palindrome (68977986).

The spelling of 61670370 in words is "sixty-one million, six hundred seventy thousand, three hundred seventy".