67490685 has 32 divisors (see below), whose sum is σ = 124128000. Its totient is φ = 34751808.

The previous prime is 67490681. The next prime is 67490713. The reversal of 67490685 is 58609476.

It is not a de Polignac number, because 67490685 - 2² = 67490681 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 67490685.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67490681) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4705 + ... + 12534.

It is an arithmetic number, because the mean of its divisors is an integer number (3879000).

Almost surely, 2^67490685 is an apocalyptic number.

It is an amenable number.

67490685 is a deficient number, since it is larger than the sum of its proper divisors (56637315).

67490685 is a wasteful number, since it uses less digits than its factorization.

67490685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17282 (or 17276 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The square root of 67490685 is about 8215.2714501713. The cubic root of 67490685 is about 407.1439121461.

The spelling of 67490685 in words is "sixty-seven million, four hundred ninety thousand, six hundred eighty-five".