61730010 has 48 divisors (see below), whose sum is σ = 164422440. Its totient is φ = 16058880.

The previous prime is 61730003. The next prime is 61730017. The reversal of 61730010 is 1003716.

It is an interprime number because it is at equal distance from previous prime (61730003) and next prime (61730017).

It can be written as a sum of positive squares in 4 ways, for example, as 38081241 + 23648769 = 6171^2 + 4863^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (61730017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4675 + ... + 12054.

Almost surely, 2^61730010 is an apocalyptic number.

61730010 is an abundant number, since it is smaller than the sum of its proper divisors (102692430).

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

61730010 is a wasteful number, since it uses less digits than its factorization.

61730010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16783 (or 16780 counting only the distinct ones).

The product of its (nonzero) digits is 126, while the sum is 18.

The square root of 61730010 is about 7856.8447865540. The cubic root of 61730010 is about 395.2138136334.

Adding to 61730010 its reverse (1003716), we get a palindrome (62733726).

The spelling of 61730010 in words is "sixty-one million, seven hundred thirty thousand, ten".