67540354 has 32 divisors (see below), whose sum is σ = 123417216. Its totient is φ = 27060480.

The previous prime is 67540349. The next prime is 67540357. The reversal of 67540354 is 45304576.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is not an unprimeable number, because it can be changed into a prime (67540357) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37924 + ... + 39664.

It is an arithmetic number, because the mean of its divisors is an integer number (3856788).

Almost surely, 2^67540354 is an apocalyptic number.

67540354 is a deficient number, since it is larger than the sum of its proper divisors (55876862).

67540354 is a wasteful number, since it uses less digits than its factorization.

67540354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1930.

The product of its (nonzero) digits is 50400, while the sum is 34.

The square root of 67540354 is about 8218.2938618670. The cubic root of 67540354 is about 407.2437652946.

The spelling of 67540354 in words is "sixty-seven million, five hundred forty thousand, three hundred fifty-four".