73743437074 has 4 divisors (see below), whose sum is σ = 110615155614. Its totient is φ = 36871718536.

The previous prime is 73743437057. The next prime is 73743437093. The reversal of 73743437074 is 47073434737.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 52673463049 + 21069974025 = 229507^2 + 145155^2 .

It is a super-2 number, since 2×73743437074² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18435859267 + ... + 18435859270.

Almost surely, 2^73743437074 is an apocalyptic number.

73743437074 is a deficient number, since it is larger than the sum of its proper divisors (36871718540).

73743437074 is a wasteful number, since it uses less digits than its factorization.

73743437074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36871718539.

The product of its (nonzero) digits is 4148928, while the sum is 49.

The spelling of 73743437074 in words is "seventy-three billion, seven hundred forty-three million, four hundred thirty-seven thousand, seventy-four".