61670330 has 8 divisors (see below), whose sum is σ = 111006612. Its totient is φ = 24668128.

The previous prime is 61670303. The next prime is 61670353. The reversal of 61670330 is 3307616.

It can be written as a sum of positive squares in 2 ways, for example, as 55905529 + 5764801 = 7477^2 + 2401^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 61670330.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3083507 + ... + 3083526.

Almost surely, 2^61670330 is an apocalyptic number.

61670330 is a deficient number, since it is larger than the sum of its proper divisors (49336282).

61670330 is a wasteful number, since it uses less digits than its factorization.

61670330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6167040.

The product of its (nonzero) digits is 2268, while the sum is 26.

The square root of 61670330 is about 7853.0459058890. The cubic root of 61670330 is about 395.0864095528.

Adding to 61670330 its reverse (3307616), we get a palindrome (64977946).

The spelling of 61670330 in words is "sixty-one million, six hundred seventy thousand, three hundred thirty".