67491142 has 8 divisors (see below), whose sum is σ = 101597832. Its totient is φ = 33625200.

The previous prime is 67491119. The next prime is 67491143. The reversal of 67491142 is 24119476.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 67491098 and 67491107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67491143) 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, 59484 + ... + 60607.

It is an arithmetic number, because the mean of its divisors is an integer number (12699729).

Almost surely, 2^67491142 is an apocalyptic number.

67491142 is a deficient number, since it is larger than the sum of its proper divisors (34106690).

67491142 is a wasteful number, since it uses less digits than its factorization.

67491142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120374.

The product of its digits is 12096, while the sum is 34.

The square root of 67491142 is about 8215.2992641778. The cubic root of 67491142 is about 407.1448311092.

The spelling of 67491142 in words is "sixty-seven million, four hundred ninety-one thousand, one hundred forty-two".