67400734 has 8 divisors (see below), whose sum is σ = 102102408. Its totient is φ = 33366600.

The previous prime is 67400713. The next prime is 67400743. The reversal of 67400734 is 43700476.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 67400696 and 67400705.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 166632 + ... + 167035.

It is an arithmetic number, because the mean of its divisors is an integer number (12762801).

Almost surely, 2^67400734 is an apocalyptic number.

67400734 is a deficient number, since it is larger than the sum of its proper divisors (34701674).

67400734 is a wasteful number, since it uses less digits than its factorization.

67400734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333770.

The product of its (nonzero) digits is 14112, while the sum is 31.

The square root of 67400734 is about 8209.7950035308. The cubic root of 67400734 is about 406.9629524360.

It can be divided in two parts, 674007 and 34, that added together give a square (674041 = 821²).

The spelling of 67400734 in words is "sixty-seven million, four hundred thousand, seven hundred thirty-four".