67742007 has 8 divisors (see below), whose sum is σ = 90362880. Its totient is φ = 45141240.

The previous prime is 67741997. The next prime is 67742033. The reversal of 67742007 is 70024776.

It is a happy number.

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

It is not a de Polignac number, because 67742007 - 2²² = 63547703 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67743007) 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, 6844 + ... + 13502.

It is an arithmetic number, because the mean of its divisors is an integer number (11295360).

Almost surely, 2^67742007 is an apocalyptic number.

67742007 is a deficient number, since it is larger than the sum of its proper divisors (22620873).

67742007 is a wasteful number, since it uses less digits than its factorization.

67742007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10053.

The product of its (nonzero) digits is 16464, while the sum is 33.

The square root of 67742007 is about 8230.5532620839. The cubic root of 67742007 is about 407.6486606787.

The spelling of 67742007 in words is "sixty-seven million, seven hundred forty-two thousand, seven".