74106742 has 8 divisors (see below), whose sum is σ = 111197016. Its totient is φ = 37041072.

The previous prime is 74106727. The next prime is 74106743. The reversal of 74106742 is 24760147.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74106743) 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, 7033 + ... + 14059.

It is an arithmetic number, because the mean of its divisors is an integer number (13899627).

Almost surely, 2^74106742 is an apocalyptic number.

74106742 is a deficient number, since it is larger than the sum of its proper divisors (37090274).

74106742 is a wasteful number, since it uses less digits than its factorization.

74106742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12302.

The product of its (nonzero) digits is 9408, while the sum is 31.

The square root of 74106742 is about 8608.5272840365. The cubic root of 74106742 is about 420.0354127359.

Adding to 74106742 its reverse (24760147), we get a palindrome (98866889).

The spelling of 74106742 in words is "seventy-four million, one hundred six thousand, seven hundred forty-two".