618244970 has 32 divisors (see below), whose sum is σ = 1301401728. Its totient is φ = 207039168.

The previous prime is 618244919. The next prime is 618244973. The reversal of 618244970 is 79442816.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (618244973) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99689 + ... + 105708.

It is an arithmetic number, because the mean of its divisors is an integer number (40668804).

Almost surely, 2^618244970 is an apocalyptic number.

618244970 is an abundant number, since it is smaller than the sum of its proper divisors (683156758).

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

618244970 is a wasteful number, since it uses less digits than its factorization.

618244970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205454.

The product of its (nonzero) digits is 96768, while the sum is 41.

The square root of 618244970 is about 24864.5323704268. The cubic root of 618244970 is about 851.8965587055.

The spelling of 618244970 in words is "six hundred eighteen million, two hundred forty-four thousand, nine hundred seventy".