67205742 has 16 divisors (see below), whose sum is σ = 134972112. Its totient is φ = 22308480.

The previous prime is 67205741. The next prime is 67205759. The reversal of 67205742 is 24750276.

It is a super-2 number, since 2×67205742² = 9033223515541128, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67205741) 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, 21793 + ... + 24684.

It is an arithmetic number, because the mean of its divisors is an integer number (8435757).

Almost surely, 2^67205742 is an apocalyptic number.

67205742 is an abundant number, since it is smaller than the sum of its proper divisors (67766370).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

67205742 is a wasteful number, since it uses less digits than its factorization.

67205742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46723.

The product of its (nonzero) digits is 23520, while the sum is 33.

The square root of 67205742 is about 8197.9108314253. The cubic root of 67205742 is about 406.5701220546.

The spelling of 67205742 in words is "sixty-seven million, two hundred five thousand, seven hundred forty-two".