67736700040 has 48 divisors (see below), whose sum is σ = 157482630540. Its totient is φ = 26220643200.

The previous prime is 67736700037. The next prime is 67736700079. The reversal of 67736700040 is 4000763776.

It can be written as a sum of positive squares in 2 ways, for example, as 66107608996 + 1629091044 = 257114^2 + 40362^2 .

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 67736699966 and 67736700002.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 842631 + ... + 919510.

Almost surely, 2^67736700040 is an apocalyptic number.

It is an amenable number.

67736700040 is an abundant number, since it is smaller than the sum of its proper divisors (89745930500).

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

67736700040 is a wasteful number, since it uses less digits than its factorization.

67736700040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1762214 (or 1762179 counting only the distinct ones).

The product of its (nonzero) digits is 148176, while the sum is 40.

The spelling of 67736700040 in words is "sixty-seven billion, seven hundred thirty-six million, seven hundred thousand, forty".