73744042 has 8 divisors (see below), whose sum is σ = 114430500. Its totient is φ = 35600544.

The previous prime is 73744031. The next prime is 73744043. The reversal of 73744042 is 24044737.

It can be written as a sum of positive squares in 2 ways, for example, as 69039481 + 4704561 = 8309^2 + 2169^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 73743995 and 73744013.

It is not an unprimeable number, because it can be changed into a prime (73744043) 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, 635667 + ... + 635782.

Almost surely, 2^73744042 is an apocalyptic number.

73744042 is a deficient number, since it is larger than the sum of its proper divisors (40686458).

73744042 is a wasteful number, since it uses less digits than its factorization.

73744042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1271480.

The product of its (nonzero) digits is 18816, while the sum is 31.

The square root of 73744042 is about 8587.4351234813. The cubic root of 73744042 is about 419.3490331462.

Adding to 73744042 its reverse (24044737), we get a palindrome (97788779).

The spelling of 73744042 in words is "seventy-three million, seven hundred forty-four thousand, forty-two".