67401432 has 48 divisors (see below), whose sum is σ = 208625040. Its totient is φ = 19257408.

The previous prime is 67401419. The next prime is 67401437. The reversal of 67401432 is 23410476.

It is a junction number, because it is equal to n+sod(n) for n = 67401396 and 67401405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67401437) 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 in 11 ways as a sum of consecutive naturals, for example, 66363 + ... + 67370.

It is an arithmetic number, because the mean of its divisors is an integer number (4346355).

Almost surely, 2^67401432 is an apocalyptic number.

It is an amenable number.

67401432 is an abundant number, since it is smaller than the sum of its proper divisors (141223608).

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

67401432 is a wasteful number, since it uses less digits than its factorization.

67401432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133752 (or 133745 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 67401432 is about 8209.8375136174. The cubic root of 67401432 is about 406.9643572632.

The spelling of 67401432 in words is "sixty-seven million, four hundred one thousand, four hundred thirty-two".