7420573172 has 6 divisors (see below), whose sum is σ = 12986003058. Its totient is φ = 3710286584.

The previous prime is 7420573159. The next prime is 7420573187. The reversal of 7420573172 is 2713750247.

It can be written as a sum of positive squares in only one way, i.e., 4224480016 + 3196093156 = 64996^2 + 56534^2 .

It is a super-2 number, since 2×7420573172² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 927571643 + ... + 927571650.

It is an arithmetic number, because the mean of its divisors is an integer number (2164333843).

Almost surely, 2^7420573172 is an apocalyptic number.

It is an amenable number.

7420573172 is a deficient number, since it is larger than the sum of its proper divisors (5565429886).

7420573172 is a wasteful number, since it uses less digits than its factorization.

7420573172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1855143297 (or 1855143295 counting only the distinct ones).

The product of its (nonzero) digits is 82320, while the sum is 38.

The square root of 7420573172 is about 86142.7488068497. The cubic root of 7420573172 is about 1950.4993831236.

The spelling of 7420573172 in words is "seven billion, four hundred twenty million, five hundred seventy-three thousand, one hundred seventy-two".