73740701838 has 32 divisors (see below), whose sum is σ = 152677942560. Its totient is φ = 23715377280.

The previous prime is 73740701819. The next prime is 73740701893. The reversal of 73740701838 is 83810704737.

It is a happy number.

It is a super-2 number, since 2×73740701838² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86856 + ... + 393732.

It is an arithmetic number, because the mean of its divisors is an integer number (4771185705).

Almost surely, 2^73740701838 is an apocalyptic number.

73740701838 is an abundant number, since it is smaller than the sum of its proper divisors (78937240722).

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

73740701838 is a wasteful number, since it uses less digits than its factorization.

73740701838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308292.

The product of its (nonzero) digits is 790272, while the sum is 48.

The spelling of 73740701838 in words is "seventy-three billion, seven hundred forty million, seven hundred one thousand, eight hundred thirty-eight".