61654707 has 12 divisors (see below), whose sum is σ = 89129040. Its totient is φ = 41069808.

The previous prime is 61654679. The next prime is 61654711. The reversal of 61654707 is 70745616.

It is not a de Polignac number, because 61654707 - 2⁶ = 61654643 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (61654727) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14769 + ... + 18477.

It is an arithmetic number, because the mean of its divisors is an integer number (7427420).

Almost surely, 2^61654707 is an apocalyptic number.

61654707 is a deficient number, since it is larger than the sum of its proper divisors (27474333).

61654707 is a wasteful number, since it uses less digits than its factorization.

61654707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5562 (or 5559 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 36.

The square root of 61654707 is about 7852.0511333027. The cubic root of 61654707 is about 395.0530442037.

Subtracting 61654707 from its reverse (70745616), we obtain a palindrome (9090909).

The spelling of 61654707 in words is "sixty-one million, six hundred fifty-four thousand, seven hundred seven".