42291674 has 8 divisors (see below), whose sum is σ = 64306740. Its totient is φ = 20856096.

The previous prime is 42291671. The next prime is 42291677. The reversal of 42291674 is 47619224.

It is an interprime number because it is at equal distance from previous prime (42291671) and next prime (42291677).

It can be written as a sum of positive squares in 2 ways, for example, as 35916049 + 6375625 = 5993^2 + 2525^2 .

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (42291671) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 144689 + ... + 144980.

Almost surely, 2^42291674 is an apocalyptic number.

42291674 is a deficient number, since it is larger than the sum of its proper divisors (22015066).

42291674 is a wasteful number, since it uses less digits than its factorization.

42291674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289744.

The product of its digits is 24192, while the sum is 35.

The square root of 42291674 is about 6503.2049022001. The cubic root of 42291674 is about 348.4054649937.

The spelling of 42291674 in words is "forty-two million, two hundred ninety-one thousand, six hundred seventy-four".