61480690 has 8 divisors (see below), whose sum is σ = 110665260. Its totient is φ = 24592272.

The previous prime is 61480663. The next prime is 61480691. The reversal of 61480690 is 9608416.

It can be written as a sum of positive squares in 2 ways, for example, as 60949249 + 531441 = 7807^2 + 729^2 .

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

It is a super-2 number, since 2×61480690² = 7559750485752200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (61480691) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3074025 + ... + 3074044.

Almost surely, 2^61480690 is an apocalyptic number.

61480690 is a deficient number, since it is larger than the sum of its proper divisors (49184570).

61480690 is a wasteful number, since it uses less digits than its factorization.

61480690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6148076.

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 61480690 is about 7840.9623133899. The cubic root of 61480690 is about 394.6810221918.

The spelling of 61480690 in words is "sixty-one million, four hundred eighty thousand, six hundred ninety".