67251939623025 has 48 divisors (see below), whose sum is σ = 112629119846400. Its totient is φ = 35403684413760.

The previous prime is 67251939623009. The next prime is 67251939623051. The reversal of 67251939623025 is 52032693915276.

It is not a de Polignac number, because 67251939623025 - 2⁴ = 67251939623009 is a prime.

It is a super-2 number, since 2×67251939623025² (a number of 28 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (60) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 67251939623025.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 19415956 + ... + 22615994.

It is an arithmetic number, because the mean of its divisors is an integer number (2346439996800).

Almost surely, 2^{67251939623025} is an apocalyptic number.

It is an amenable number.

67251939623025 is a deficient number, since it is larger than the sum of its proper divisors (45377180223375).

67251939623025 is a wasteful number, since it uses less digits than its factorization.

67251939623025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3203678 (or 3203673 counting only the distinct ones).

The product of its (nonzero) digits is 36741600, while the sum is 60.

The spelling of 67251939623025 in words is "sixty-seven trillion, two hundred fifty-one billion, nine hundred thirty-nine million, six hundred twenty-three thousand, twenty-five".