33672540738 has 16 divisors (see below), whose sum is σ = 67350743136. Its totient is φ = 11223236640.

The previous prime is 33672540731. The next prime is 33672540761. The reversal of 33672540738 is 83704527633.

It is a super-2 number, since 2×33672540738² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33672540731) 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, 156531 + ... + 303062.

It is an arithmetic number, because the mean of its divisors is an integer number (4209421446).

Almost surely, 2^33672540738 is an apocalyptic number.

33672540738 is an abundant number, since it is smaller than the sum of its proper divisors (33678202398).

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

33672540738 is a wasteful number, since it uses less digits than its factorization.

33672540738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 471809.

The product of its (nonzero) digits is 2540160, while the sum is 48.

The spelling of 33672540738 in words is "thirty-three billion, six hundred seventy-two million, five hundred forty thousand, seven hundred thirty-eight".