67461963 has 4 divisors (see below), whose sum is σ = 89949288. Its totient is φ = 44974640.

The previous prime is 67461949. The next prime is 67461973. The reversal of 67461963 is 36916476.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 67461963 - 2⁵ = 67461931 is a prime.

It is a super-2 number, since 2×67461963² = 9102232903626738, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (67461923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11243658 + ... + 11243663.

It is an arithmetic number, because the mean of its divisors is an integer number (22487322).

Almost surely, 2^67461963 is an apocalyptic number.

67461963 is a deficient number, since it is larger than the sum of its proper divisors (22487325).

67461963 is a wasteful number, since it uses less digits than its factorization.

67461963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22487324.

The product of its digits is 163296, while the sum is 42.

The square root of 67461963 is about 8213.5231782713. The cubic root of 67461963 is about 407.0861478946.

The spelling of 67461963 in words is "sixty-seven million, four hundred sixty-one thousand, nine hundred sixty-three".