61090930 has 8 divisors (see below), whose sum is σ = 109963692. Its totient is φ = 24436368.

The previous prime is 61090919. The next prime is 61090949. The reversal of 61090930 is 3909016.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 61042969 + 47961 = 7813^2 + 219^2 .

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

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, 3054537 + ... + 3054556.

Almost surely, 2^61090930 is an apocalyptic number.

61090930 is a deficient number, since it is larger than the sum of its proper divisors (48872762).

61090930 is a wasteful number, since it uses less digits than its factorization.

61090930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6109100.

The product of its (nonzero) digits is 1458, while the sum is 28.

The square root of 61090930 is about 7816.0687049181. The cubic root of 61090930 is about 393.8452199376.

Adding to 61090930 its reverse (3909016), we get a palindrome (64999946).

The spelling of 61090930 in words is "sixty-one million, ninety thousand, nine hundred thirty".