6467420740 has 24 divisors (see below), whose sum is σ = 14816273472. Its totient is φ = 2351789280.

The previous prime is 6467420723. The next prime is 6467420741. The reversal of 6467420740 is 470247646.

It is a junction number, because it is equal to n+sod(n) for n = 6467420693 and 6467420702.

It is not an unprimeable number, because it can be changed into a prime (6467420741) 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, 14698464 + ... + 14698903.

It is an arithmetic number, because the mean of its divisors is an integer number (617344728).

Almost surely, 2^6467420740 is an apocalyptic number.

It is an amenable number.

6467420740 is an abundant number, since it is smaller than the sum of its proper divisors (8348852732).

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

6467420740 is a wasteful number, since it uses less digits than its factorization.

6467420740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29397387 (or 29397385 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 40.

The square root of 6467420740 is about 80420.2756772196. The cubic root of 6467420740 is about 1863.1323429196.

The spelling of 6467420740 in words is "six billion, four hundred sixty-seven million, four hundred twenty thousand, seven hundred forty".