67402020732 has 24 divisors (see below), whose sum is σ = 161521960656. Its totient is φ = 21860114688.

The previous prime is 67402020731. The next prime is 67402020739. The reversal of 67402020732 is 23702020476.

It is a junction number, because it is equal to n+sod(n) for n = 67402020693 and 67402020702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67402020731) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 75902733 + ... + 75903620.

It is an arithmetic number, because the mean of its divisors is an integer number (6730081694).

Almost surely, 2^67402020732 is an apocalyptic number.

It is an amenable number.

67402020732 is an abundant number, since it is smaller than the sum of its proper divisors (94119939924).

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

67402020732 is a wasteful number, since it uses less digits than its factorization.

67402020732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151806397 (or 151806395 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 33.

The spelling of 67402020732 in words is "sixty-seven billion, four hundred two million, twenty thousand, seven hundred thirty-two".