60661370 has 32 divisors (see below), whose sum is σ = 136135296. Its totient is φ = 18907200.

The previous prime is 60661361. The next prime is 60661379. The reversal of 60661370 is 7316606.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (60661361) and next prime (60661379).

It is not an unprimeable number, because it can be changed into a prime (60661379) 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 15 ways as a sum of consecutive naturals, for example, 38621 + ... + 40160.

It is an arithmetic number, because the mean of its divisors is an integer number (4254228).

Almost surely, 2^60661370 is an apocalyptic number.

60661370 is an abundant number, since it is smaller than the sum of its proper divisors (75473926).

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

60661370 is a wasteful number, since it uses less digits than its factorization.

60661370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78806.

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 60661370 is about 7788.5409416655. The cubic root of 60661370 is about 392.9199421686.

Adding to 60661370 its reverse (7316606), we get a palindrome (67977976).

The spelling of 60661370 in words is "sixty million, six hundred sixty-one thousand, three hundred seventy".