42347464 has 8 divisors (see below), whose sum is σ = 79401510. Its totient is φ = 21173728.

The previous prime is 42347449. The next prime is 42347467. The reversal of 42347464 is 46474324.

It can be written as a sum of positive squares in only one way, i.e., 39312900 + 3034564 = 6270^2 + 1742^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (42347467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2646709 + ... + 2646724.

Almost surely, 2^42347464 is an apocalyptic number.

It is an amenable number.

42347464 is a deficient number, since it is larger than the sum of its proper divisors (37054046).

42347464 is a wasteful number, since it uses less digits than its factorization.

42347464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5293439 (or 5293435 counting only the distinct ones).

The product of its digits is 64512, while the sum is 34.

The square root of 42347464 is about 6507.4929120207. The cubic root of 42347464 is about 348.5585999425.

The spelling of 42347464 in words is "forty-two million, three hundred forty-seven thousand, four hundred sixty-four".