64973200 has 60 divisors (see below), whose sum is σ = 157450240. Its totient is φ = 25764480.

The previous prime is 64973197. The next prime is 64973203. The reversal of 64973200 is 237946.

It is an interprime number because it is at equal distance from previous prime (64973197) and next prime (64973203).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64973203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 50161 + ... + 51439.

Almost surely, 2^64973200 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64973200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78725120).

64973200 is an abundant number, since it is smaller than the sum of its proper divisors (92477040).

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

64973200 is a wasteful number, since it uses less digits than its factorization.

64973200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1424 (or 1413 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 64973200 is about 8060.5955114991. The cubic root of 64973200 is about 402.0173090573.

The spelling of 64973200 in words is "sixty-four million, nine hundred seventy-three thousand, two hundred".