33740370073 has 4 divisors (see below), whose sum is σ = 34903831140. Its totient is φ = 32576909008.

The previous prime is 33740370049. The next prime is 33740370077. The reversal of 33740370073 is 37007304733.

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

It can be written as a sum of positive squares in 2 ways, for example, as 7610294169 + 26130075904 = 87237^2 + 161648^2 .

It is a cyclic number.

It is not a de Polignac number, because 33740370073 - 2⁹ = 33740369561 is a prime.

It is a super-2 number, since 2×33740370073² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33740370077) 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, 581730490 + ... + 581730547.

It is an arithmetic number, because the mean of its divisors is an integer number (8725957785).

Almost surely, 2^33740370073 is an apocalyptic number.

It is an amenable number.

33740370073 is a deficient number, since it is larger than the sum of its proper divisors (1163461067).

33740370073 is a wasteful number, since it uses less digits than its factorization.

33740370073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1163461066.

The product of its (nonzero) digits is 111132, while the sum is 37.

The spelling of 33740370073 in words is "thirty-three billion, seven hundred forty million, three hundred seventy thousand, seventy-three".