67349537740 has 24 divisors (see below), whose sum is σ = 141517640880. Its totient is φ = 26923889088.

The previous prime is 67349537701. The next prime is 67349537741. The reversal of 67349537740 is 4773594376.

It is not an unprimeable number, because it can be changed into a prime (67349537741) 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, 960670 + ... + 1028389.

It is an arithmetic number, because the mean of its divisors is an integer number (5896568370).

Almost surely, 2^67349537740 is an apocalyptic number.

It is an amenable number.

67349537740 is an abundant number, since it is smaller than the sum of its proper divisors (74168103140).

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

67349537740 is a wasteful number, since it uses less digits than its factorization.

67349537740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1990761 (or 1990759 counting only the distinct ones).

The product of its (nonzero) digits is 13335840, while the sum is 55.

The spelling of 67349537740 in words is "sixty-seven billion, three hundred forty-nine million, five hundred thirty-seven thousand, seven hundred forty".