67742061 has 8 divisors (see below), whose sum is σ = 94249920. Its totient is φ = 43197792.

The previous prime is 67742053. The next prime is 67742063. The reversal of 67742061 is 16024776.

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

It is not a de Polignac number, because 67742061 - 2³ = 67742053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67742063) 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, 490816 + ... + 490953.

It is an arithmetic number, because the mean of its divisors is an integer number (11781240).

Almost surely, 2^67742061 is an apocalyptic number.

It is an amenable number.

67742061 is a deficient number, since it is larger than the sum of its proper divisors (26507859).

67742061 is a wasteful number, since it uses less digits than its factorization.

67742061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 981795.

The product of its (nonzero) digits is 14112, while the sum is 33.

The square root of 67742061 is about 8230.5565425432. The cubic root of 67742061 is about 407.6487689966.

The spelling of 67742061 in words is "sixty-seven million, seven hundred forty-two thousand, sixty-one".