7173469440 has 432 divisors, whose sum is σ = 26172357120. Its totient is φ = 1811496960.

The previous prime is 7173469439. The next prime is 7173469477. The reversal of 7173469440 is 449643717.

It is a super-2 number, since 2×7173469440² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 18927171 + ... + 18927549.

It is an arithmetic number, because the mean of its divisors is an integer number (60584160).

Almost surely, 2^7173469440 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7173469440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13086178560).

7173469440 is an abundant number, since it is smaller than the sum of its proper divisors (18998887680).

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

7173469440 is a wasteful number, since it uses less digits than its factorization.

7173469440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 490 (or 473 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 45.

The square root of 7173469440 is about 84696.3366386056. The cubic root of 7173469440 is about 1928.6040932269.

The spelling of 7173469440 in words is "seven billion, one hundred seventy-three million, four hundred sixty-nine thousand, four hundred forty".