61395960 has 32 divisors (see below), whose sum is σ = 184188240. Its totient is φ = 16372224.

The previous prime is 61395953. The next prime is 61395967. The reversal of 61395960 is 6959316.

It is an interprime number because it is at equal distance from previous prime (61395953) and next prime (61395967).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61395967) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 255697 + ... + 255936.

Almost surely, 2^61395960 is an apocalyptic number.

61395960 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

61395960 is an abundant number, since it is smaller than the sum of its proper divisors (122792280).

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

61395960 is a wasteful number, since it uses less digits than its factorization.

61395960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 511647 (or 511643 counting only the distinct ones).

The product of its (nonzero) digits is 43740, while the sum is 39.

The square root of 61395960 is about 7835.5574147600. The cubic root of 61395960 is about 394.4996281246.

The spelling of 61395960 in words is "sixty-one million, three hundred ninety-five thousand, nine hundred sixty".