7421330172 has 24 divisors (see below), whose sum is σ = 17380818000. Its totient is φ = 2464579456.

The previous prime is 7421330171. The next prime is 7421330197. The reversal of 7421330172 is 2710331247.

It is a super-2 number, since 2×7421330172² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7421330171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1146297 + ... + 1152752.

It is an arithmetic number, because the mean of its divisors is an integer number (724200750).

Almost surely, 2^7421330172 is an apocalyptic number.

It is an amenable number.

7421330172 is an abundant number, since it is smaller than the sum of its proper divisors (9959487828).

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

7421330172 is a wasteful number, since it uses less digits than its factorization.

7421330172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2299325 (or 2299323 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 30.

The square root of 7421330172 is about 86147.1425643358. The cubic root of 7421330172 is about 1950.5657067436.

It can be divided in two parts, 74 and 21330172, that added together give a triangular number (21330246 = T₆₅₃₁).

The spelling of 7421330172 in words is "seven billion, four hundred twenty-one million, three hundred thirty thousand, one hundred seventy-two".