7321403425 has 24 divisors (see below), whose sum is σ = 10410958656. Its totient is φ = 5003221440.

The previous prime is 7321403389. The next prime is 7321403431. The reversal of 7321403425 is 5243041237.

It is a happy number.

It is not a de Polignac number, because 7321403425 - 2²³ = 7313014817 is a prime.

It is a super-2 number, since 2×7321403425² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20119 + ... + 122668.

It is an arithmetic number, because the mean of its divisors is an integer number (433789944).

Almost surely, 2^7321403425 is an apocalyptic number.

It is an amenable number.

7321403425 is a deficient number, since it is larger than the sum of its proper divisors (3089555231).

7321403425 is a wasteful number, since it uses less digits than its factorization.

7321403425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143097 (or 143092 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 31.

The square root of 7321403425 is about 85565.1998478353. The cubic root of 7321403425 is about 1941.7714560485.

The spelling of 7321403425 in words is "seven billion, three hundred twenty-one million, four hundred three thousand, four hundred twenty-five".