7295007720 has 384 divisors, whose sum is σ = 29612056320. Its totient is φ = 1398988800.

The previous prime is 7295007703. The next prime is 7295007721. The reversal of 7295007720 is 277005927.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (7295007721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1318560 + ... + 1324080.

It is an arithmetic number, because the mean of its divisors is an integer number (77114730).

Almost surely, 2^7295007720 is an apocalyptic number.

7295007720 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7295007720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14806028160).

7295007720 is an abundant number, since it is smaller than the sum of its proper divisors (22317048600).

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

7295007720 is a wasteful number, since it uses less digits than its factorization.

7295007720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5577 (or 5562 counting only the distinct ones).

The product of its (nonzero) digits is 61740, while the sum is 39.

The square root of 7295007720 is about 85410.8173476873. The cubic root of 7295007720 is about 1939.4351031786.

The spelling of 7295007720 in words is "seven billion, two hundred ninety-five million, seven thousand, seven hundred twenty".