33780070354 has 16 divisors (see below), whose sum is σ = 54662980248. Its totient is φ = 15596568832.

The previous prime is 33780070351. The next prime is 33780070361. The reversal of 33780070354 is 45307008733.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 25463542329 + 8316528025 = 159573^2 + 91195^2 .

It is a super-2 number, since 2×33780070354² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33780070351) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9371137 + ... + 9374740.

Almost surely, 2^33780070354 is an apocalyptic number.

33780070354 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

33780070354 is a deficient number, since it is larger than the sum of its proper divisors (20882909894).

33780070354 is a wasteful number, since it uses less digits than its factorization.

33780070354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18745949.

The product of its (nonzero) digits is 211680, while the sum is 40.

The spelling of 33780070354 in words is "thirty-three billion, seven hundred eighty million, seventy thousand, three hundred fifty-four".