63700992 has 114 divisors (see below), whose sum is σ = 190840468. Its totient is φ = 21233664.

The previous prime is 63700991. The next prime is 63700993. The reversal of 63700992 is 29900736.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It is a Jordan-Polya number, since it can be written as (4!)⁵ ⋅ (2!)³.

It is an interprime number because it is at equal distance from previous prime (63700991) and next prime (63700993).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a zygodrome in base 2.

It is not an unprimeable number, because it can be changed into a prime (63700991) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 21233663 + 21233664 + 21233665.

Almost surely, 2^63700992 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 63700992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95420234).

63700992 is an abundant number, since it is smaller than the sum of its proper divisors (127139476).

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

63700992 is an frugal number, since it uses more digits than its factorization.

63700992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51 (or 5 counting only the distinct ones).

The product of its (nonzero) digits is 20412, while the sum is 36.

The square root of 63700992 is about 7981.2901212774. The cubic root of 63700992 is about 399.3760940260.

The spelling of 63700992 in words is "sixty-three million, seven hundred thousand, nine hundred ninety-two".