67537132494 has 32 divisors (see below), whose sum is σ = 149012517024. Its totient is φ = 20273809920.

The previous prime is 67537132471. The next prime is 67537132513. The reversal of 67537132494 is 49423173576.

It is a super-2 number, since 2×67537132494² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10556079 + ... + 10562474.

It is an arithmetic number, because the mean of its divisors is an integer number (4656641157).

Almost surely, 2^67537132494 is an apocalyptic number.

67537132494 is an abundant number, since it is smaller than the sum of its proper divisors (81475384530).

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

67537132494 is a wasteful number, since it uses less digits than its factorization.

67537132494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21118612.

The product of its digits is 3810240, while the sum is 51.

The spelling of 67537132494 in words is "sixty-seven billion, five hundred thirty-seven million, one hundred thirty-two thousand, four hundred ninety-four".