61946960 has 20 divisors (see below), whose sum is σ = 144026868. Its totient is φ = 24778752.

The previous prime is 61946957. The next prime is 61946999. The reversal of 61946960 is 6964916.

It can be written as a sum of positive squares in 2 ways, for example, as 33131536 + 28815424 = 5756^2 + 5368^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 387089 + ... + 387248.

Almost surely, 2^61946960 is an apocalyptic number.

It is an amenable number.

61946960 is an abundant number, since it is smaller than the sum of its proper divisors (82079908).

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

61946960 is a wasteful number, since it uses less digits than its factorization.

61946960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 774350 (or 774344 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 41.

The square root of 61946960 is about 7870.6391100088. The cubic root of 61946960 is about 395.6762650205.

The spelling of 61946960 in words is "sixty-one million, nine hundred forty-six thousand, nine hundred sixty".