67247257825 has 12 divisors (see below), whose sum is σ = 90967200048. Its totient is φ = 48907096400.

The previous prime is 67247257801. The next prime is 67247257841. The reversal of 67247257825 is 52875274276.

It is not a de Polignac number, because 67247257825 - 2⁹ = 67247257313 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (55).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 122267467 + ... + 122268016.

It is an arithmetic number, because the mean of its divisors is an integer number (7580600004).

Almost surely, 2^67247257825 is an apocalyptic number.

It is an amenable number.

67247257825 is a deficient number, since it is larger than the sum of its proper divisors (23719942223).

67247257825 is a wasteful number, since it uses less digits than its factorization.

67247257825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244535504 (or 244535499 counting only the distinct ones).

The product of its digits is 13171200, while the sum is 55.

The spelling of 67247257825 in words is "sixty-seven billion, two hundred forty-seven million, two hundred fifty-seven thousand, eight hundred twenty-five".