7317093420 has 768 divisors, whose sum is σ = 31294771200. Its totient is φ = 1373552640.

The previous prime is 7317093419. The next prime is 7317093467. The reversal of 7317093420 is 243907137.

It is a super-2 number, since 2×7317093420² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 15871990 + ... + 15872450.

It is an arithmetic number, because the mean of its divisors is an integer number (40748400).

Almost surely, 2^7317093420 is an apocalyptic number.

7317093420 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 7317093420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15647385600).

7317093420 is an abundant number, since it is smaller than the sum of its proper divisors (23977677780).

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

7317093420 is a wasteful number, since it uses less digits than its factorization.

7317093420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 535 (or 527 counting only the distinct ones).

The product of its (nonzero) digits is 31752, while the sum is 36.

The square root of 7317093420 is about 85540.0106382972. The cubic root of 7317093420 is about 1941.3903502695.

The spelling of 7317093420 in words is "seven billion, three hundred seventeen million, ninety-three thousand, four hundred twenty".