7023389730 has 32 divisors (see below), whose sum is σ = 19264155264. Its totient is φ = 1605346176.

The previous prime is 7023389717. The next prime is 7023389731. The reversal of 7023389730 is 379833207.

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

It is not an unprimeable number, because it can be changed into a prime (7023389731) 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, 16722147 + ... + 16722566.

It is an arithmetic number, because the mean of its divisors is an integer number (602004852).

Almost surely, 2^7023389730 is an apocalyptic number.

7023389730 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

7023389730 is an abundant number, since it is smaller than the sum of its proper divisors (12240765534).

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

7023389730 is a wasteful number, since it uses less digits than its factorization.

7023389730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33444730.

The product of its (nonzero) digits is 190512, while the sum is 42.

The square root of 7023389730 is about 83805.6664551986. Note that the first 3 decimals coincide. The cubic root of 7023389730 is about 1915.0594304693.

The spelling of 7023389730 in words is "seven billion, twenty-three million, three hundred eighty-nine thousand, seven hundred thirty".