60669945 has 128 divisors (see below), whose sum is σ = 135168000. Its totient is φ = 25194240.

The previous prime is 60669919. The next prime is 60669953. The reversal of 60669945 is 54996606.

It is not a de Polignac number, because 60669945 - 2¹⁴ = 60653561 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 60669945.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 556551 + ... + 556659.

It is an arithmetic number, because the mean of its divisors is an integer number (1056000).

Almost surely, 2^60669945 is an apocalyptic number.

It is an amenable number.

60669945 is an abundant number, since it is smaller than the sum of its proper divisors (74498055).

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

60669945 is a wasteful number, since it uses less digits than its factorization.

60669945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180 (or 174 counting only the distinct ones).

The product of its (nonzero) digits is 349920, while the sum is 45.

The square root of 60669945 is about 7789.0914104278. The cubic root of 60669945 is about 392.9384554869.

The spelling of 60669945 in words is "sixty million, six hundred sixty-nine thousand, nine hundred forty-five".