65870994 has 48 divisors (see below), whose sum is σ = 153900000. Its totient is φ = 18740736.

The previous prime is 65870951. The next prime is 65871007. The reversal of 65870994 is 49907856.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 131757 + ... + 132255.

It is an arithmetic number, because the mean of its divisors is an integer number (3206250).

Almost surely, 2^65870994 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65870994, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76950000).

65870994 is an abundant number, since it is smaller than the sum of its proper divisors (88029006).

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

65870994 is a wasteful number, since it uses less digits than its factorization.

65870994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 967 (or 960 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 48.

The square root of 65870994 is about 8116.0947505558. The cubic root of 65870994 is about 403.8605251638.

The spelling of 65870994 in words is "sixty-five million, eight hundred seventy thousand, nine hundred ninety-four".