65955474 has 48 divisors (see below), whose sum is σ = 154476504. Its totient is φ = 20217600.

The previous prime is 65955473. The next prime is 65955493. The reversal of 65955474 is 47455956.

65955474 is a `hidden beast` number, since 6 + 595 + 54 + 7 + 4 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 35319249 + 30636225 = 5943^2 + 5535^2 .

It is a super-4 number, since 4×65955474⁴ (a number of 32 digits) contains 4444 as substring.

Its product of digits (756000) is a multiple of the sum of its prime divisors (1080).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65955473) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 121644 + ... + 122184.

Almost surely, 2^65955474 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65955474, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77238252).

65955474 is an abundant number, since it is smaller than the sum of its proper divisors (88521030).

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

65955474 is a wasteful number, since it uses less digits than its factorization.

65955474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1083 (or 1080 counting only the distinct ones).

The product of its digits is 756000, while the sum is 45.

The square root of 65955474 is about 8121.2975564253. The cubic root of 65955474 is about 404.0331027021.

The spelling of 65955474 in words is "sixty-five million, nine hundred fifty-five thousand, four hundred seventy-four".