61946605 has 16 divisors (see below), whose sum is σ = 85582080. Its totient is φ = 42164352.

The previous prime is 61946579. The next prime is 61946609. The reversal of 61946605 is 50664916.

It is a cyclic number.

It is not a de Polignac number, because 61946605 - 2¹¹ = 61944557 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61946609) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1665 + ... + 11254.

It is an arithmetic number, because the mean of its divisors is an integer number (5348880).

Almost surely, 2^61946605 is an apocalyptic number.

It is an amenable number.

61946605 is a deficient number, since it is larger than the sum of its proper divisors (23635475).

61946605 is a wasteful number, since it uses less digits than its factorization.

61946605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13068.

The product of its (nonzero) digits is 38880, while the sum is 37.

The square root of 61946605 is about 7870.6165578054. The cubic root of 61946605 is about 395.6755091839.

The spelling of 61946605 in words is "sixty-one million, nine hundred forty-six thousand, six hundred five".