67097745 has 48 divisors (see below), whose sum is σ = 136648512. Its totient is φ = 30026880.

The previous prime is 67097729. The next prime is 67097747. The reversal of 67097745 is 54779076.

It is not a de Polignac number, because 67097745 - 2⁴ = 67097729 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 67097745.

It is not an unprimeable number, because it can be changed into a prime (67097747) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 1222 + ... + 11648.

It is an arithmetic number, because the mean of its divisors is an integer number (2846844).

Almost surely, 2^67097745 is an apocalyptic number.

67097745 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

67097745 is an abundant number, since it is smaller than the sum of its proper divisors (69550767).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

67097745 is a wasteful number, since it uses less digits than its factorization.

67097745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10462 (or 10459 counting only the distinct ones).

The product of its (nonzero) digits is 370440, while the sum is 45.

The square root of 67097745 is about 8191.3213219846. The cubic root of 67097745 is about 406.3522245315.

The spelling of 67097745 in words is "sixty-seven million, ninety-seven thousand, seven hundred forty-five".