61964365 has 8 divisors (see below), whose sum is σ = 74439648. Its totient is φ = 49516560.

The previous prime is 61964321. The next prime is 61964389. The reversal of 61964365 is 56346916.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 61964365 - 2¹⁷ = 61833293 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1527 + ... + 11236.

It is an arithmetic number, because the mean of its divisors is an integer number (9304956).

Almost surely, 2^61964365 is an apocalyptic number.

It is an amenable number.

61964365 is a deficient number, since it is larger than the sum of its proper divisors (12475283).

61964365 is a wasteful number, since it uses less digits than its factorization.

61964365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13739.

The product of its digits is 116640, while the sum is 40.

The square root of 61964365 is about 7871.7447240113. The cubic root of 61964365 is about 395.7133187652.

The spelling of 61964365 in words is "sixty-one million, nine hundred sixty-four thousand, three hundred sixty-five".