60640605 has 12 divisors (see below), whose sum is σ = 105110460. Its totient is φ = 32341632.

The previous prime is 60640597. The next prime is 60640631. The reversal of 60640605 is 50604606.

It can be written as a sum of positive squares in 2 ways, for example, as 12574116 + 48066489 = 3546^2 + 6933^2 .

It is not a de Polignac number, because 60640605 - 2³ = 60640597 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 673740 + ... + 673829.

It is an arithmetic number, because the mean of its divisors is an integer number (8759205).

Almost surely, 2^60640605 is an apocalyptic number.

It is an amenable number.

60640605 is a deficient number, since it is larger than the sum of its proper divisors (44469855).

60640605 is a wasteful number, since it uses less digits than its factorization.

60640605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1347580 (or 1347577 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 60640605 is about 7787.2077794290. The cubic root of 60640605 is about 392.8751035630.

The spelling of 60640605 in words is "sixty million, six hundred forty thousand, six hundred five".