67499340 has 48 divisors (see below), whose sum is σ = 190750560. Its totient is φ = 17832960.

The previous prime is 67499339. The next prime is 67499371. The reversal of 67499340 is 4399476.

It is a junction number, because it is equal to n+sod(n) for n = 67499292 and 67499301.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1380 + ... + 11700.

It is an arithmetic number, because the mean of its divisors is an integer number (3973970).

Almost surely, 2^67499340 is an apocalyptic number.

67499340 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 67499340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95375280).

67499340 is an abundant number, since it is smaller than the sum of its proper divisors (123251220).

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

67499340 is a wasteful number, since it uses less digits than its factorization.

67499340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10442 (or 10440 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 42.

The square root of 67499340 is about 8215.7981961584. The cubic root of 67499340 is about 407.1613154363.

The spelling of 67499340 in words is "sixty-seven million, four hundred ninety-nine thousand, three hundred forty".