67464534 has 16 divisors (see below), whose sum is σ = 142866288. Its totient is φ = 21165312.

The previous prime is 67464521. The next prime is 67464541. The reversal of 67464534 is 43546476.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 67464492 and 67464501.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 330607 + ... + 330810.

It is an arithmetic number, because the mean of its divisors is an integer number (8929143).

Almost surely, 2^67464534 is an apocalyptic number.

67464534 is an abundant number, since it is smaller than the sum of its proper divisors (75401754).

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

67464534 is a wasteful number, since it uses less digits than its factorization.

67464534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 661439.

The product of its digits is 241920, while the sum is 39.

The square root of 67464534 is about 8213.6796869613. The cubic root of 67464534 is about 407.0913192294.

The spelling of 67464534 in words is "sixty-seven million, four hundred sixty-four thousand, five hundred thirty-four".