973233618 has 48 divisors (see below), whose sum is σ = 2347813440. Its totient is φ = 263427552.

The previous prime is 973233617. The next prime is 973233619. The reversal of 973233618 is 816332379.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (973233617) and next prime (973233619).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 973233618.

It is not an unprimeable number, because it can be changed into a prime (973233617) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16933 + ... + 47256.

It is an arithmetic number, because the mean of its divisors is an integer number (48912780).

Almost surely, 2^973233618 is an apocalyptic number.

973233618 is an abundant number, since it is smaller than the sum of its proper divisors (1374579822).

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

973233618 is a wasteful number, since it uses less digits than its factorization.

973233618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64239 (or 64220 counting only the distinct ones).

The product of its digits is 163296, while the sum is 42.

The square root of 973233618 is about 31196.6924208321. The cubic root of 973233618 is about 990.9970630306.

The spelling of 973233618 in words is "nine hundred seventy-three million, two hundred thirty-three thousand, six hundred eighteen".