7623230720 has 72 divisors (see below), whose sum is σ = 20868618624. Its totient is φ = 2613676032.

The previous prime is 7623230707. The next prime is 7623230723. The reversal of 7623230720 is 270323267.

It is a super-2 number, since 2×7623230720² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7623230723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 416444 + ... + 434363.

Almost surely, 2^7623230720 is an apocalyptic number.

7623230720 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

7623230720 is an abundant number, since it is smaller than the sum of its proper divisors (13245387904).

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

7623230720 is an equidigital number, since it uses as much as digits as its factorization.

7623230720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 850835 (or 850821 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 32.

The square root of 7623230720 is about 87311.1145273040. The cubic root of 7623230720 is about 1968.0963444582.

Adding to 7623230720 its reverse (270323267), we get a palindrome (7893553987).

The spelling of 7623230720 in words is "seven billion, six hundred twenty-three million, two hundred thirty thousand, seven hundred twenty".