33706736740 has 24 divisors (see below), whose sum is σ = 74947921272. Its totient is φ = 12689594880.

The previous prime is 33706736699. The next prime is 33706736779. The reversal of 33706736740 is 4763760733.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 205291584 + 33501445156 = 14328^2 + 183034^2 .

It is a super-2 number, since 2×33706736740² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49568391 + ... + 49569070.

It is an arithmetic number, because the mean of its divisors is an integer number (3122830053).

Almost surely, 2^33706736740 is an apocalyptic number.

It is an amenable number.

33706736740 is an abundant number, since it is smaller than the sum of its proper divisors (41241184532).

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

33706736740 is a wasteful number, since it uses less digits than its factorization.

33706736740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99137487 (or 99137485 counting only the distinct ones).

The product of its (nonzero) digits is 1333584, while the sum is 46.

The spelling of 33706736740 in words is "thirty-three billion, seven hundred six million, seven hundred thirty-six thousand, seven hundred forty".