7421333720 has 16 divisors (see below), whose sum is σ = 16698000960. Its totient is φ = 2968533472.

The previous prime is 7421333693. The next prime is 7421333723. The reversal of 7421333720 is 273331247.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7421333723) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92766632 + ... + 92766711.

It is an arithmetic number, because the mean of its divisors is an integer number (1043625060).

Almost surely, 2^7421333720 is an apocalyptic number.

It is an amenable number.

7421333720 is an abundant number, since it is smaller than the sum of its proper divisors (9276667240).

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

7421333720 is a wasteful number, since it uses less digits than its factorization.

7421333720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185533354 (or 185533350 counting only the distinct ones).

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

The square root of 7421333720 is about 86147.1631570071. The cubic root of 7421333720 is about 1950.5660175866.

Adding to 7421333720 its reverse (273331247), we get a palindrome (7694664967).

The spelling of 7421333720 in words is "seven billion, four hundred twenty-one million, three hundred thirty-three thousand, seven hundred twenty".