65174490 has 64 divisors (see below), whose sum is σ = 174816000. Its totient is φ = 17278272.

The previous prime is 65174489. The next prime is 65174507. The reversal of 65174490 is 9447156.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 53124 + ... + 54336.

It is an arithmetic number, because the mean of its divisors is an integer number (2731500).

Almost surely, 2^65174490 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65174490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87408000).

65174490 is an abundant number, since it is smaller than the sum of its proper divisors (109641510).

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

65174490 is a wasteful number, since it uses less digits than its factorization.

65174490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1428 (or 1422 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 65174490 is about 8073.0719060343. The cubic root of 65174490 is about 402.4320371857.

The spelling of 65174490 in words is "sixty-five million, one hundred seventy-four thousand, four hundred ninety".