72270510662 has 16 divisors (see below), whose sum is σ = 126914068512. Its totient is φ = 30217634880.

The previous prime is 72270510527. The next prime is 72270510671. The reversal of 72270510662 is 26601507227.

It is a happy number.

It is a super-2 number, since 2×72270510662² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 62952833 + ... + 62953980.

It is an arithmetic number, because the mean of its divisors is an integer number (7932129282).

Almost surely, 2^72270510662 is an apocalyptic number.

72270510662 is a deficient number, since it is larger than the sum of its proper divisors (54643557850).

72270510662 is a wasteful number, since it uses less digits than its factorization.

72270510662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125906863.

The product of its (nonzero) digits is 70560, while the sum is 38.

The spelling of 72270510662 in words is "seventy-two billion, two hundred seventy million, five hundred ten thousand, six hundred sixty-two".