67379661 has 8 divisors (see below), whose sum is σ = 99821760. Its totient is φ = 44919756.

The previous prime is 67379621. The next prime is 67379671. The reversal of 67379661 is 16697376.

It is not a de Polignac number, because 67379661 - 2¹⁰ = 67378637 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67379621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1247745 + ... + 1247798.

It is an arithmetic number, because the mean of its divisors is an integer number (12477720).

Almost surely, 2^67379661 is an apocalyptic number.

It is an amenable number.

67379661 is a deficient number, since it is larger than the sum of its proper divisors (32442099).

67379661 is a wasteful number, since it uses less digits than its factorization.

67379661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2495552 (or 2495546 counting only the distinct ones).

The product of its digits is 285768, while the sum is 45.

The square root of 67379661 is about 8208.5114972204. The cubic root of 67379661 is about 406.9205353697.

The spelling of 67379661 in words is "sixty-seven million, three hundred seventy-nine thousand, six hundred sixty-one".