7212740458 has 16 divisors (see below), whose sum is σ = 13488761664. Its totient is φ = 2810158560.

The previous prime is 7212740411. The next prime is 7212740477. The reversal of 7212740458 is 8540472127.

It is a self number, because there is not a number n which added to its sum of digits gives 7212740458.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23417835 + ... + 23418142.

It is an arithmetic number, because the mean of its divisors is an integer number (843047604).

Almost surely, 2^7212740458 is an apocalyptic number.

7212740458 is a deficient number, since it is larger than the sum of its proper divisors (6276021206).

7212740458 is a wasteful number, since it uses less digits than its factorization.

7212740458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46835997.

The product of its (nonzero) digits is 125440, while the sum is 40.

The square root of 7212740458 is about 84927.8544295098. The cubic root of 7212740458 is about 1932.1170588999.

The spelling of 7212740458 in words is "seven billion, two hundred twelve million, seven hundred forty thousand, four hundred fifty-eight".