67879746 has 48 divisors (see below), whose sum is σ = 161729568. Its totient is φ = 20404800.

The previous prime is 67879733. The next prime is 67879751. The reversal of 67879746 is 64797876.

It is a junction number, because it is equal to n+sod(n) for n = 67879692 and 67879701.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24630 + ... + 27246.

It is an arithmetic number, because the mean of its divisors is an integer number (3369366).

Almost surely, 2^67879746 is an apocalyptic number.

67879746 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 67879746, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80864784).

67879746 is an abundant number, since it is smaller than the sum of its proper divisors (93849822).

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

67879746 is a wasteful number, since it uses less digits than its factorization.

67879746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2767 (or 2764 counting only the distinct ones).

The product of its digits is 3556224, while the sum is 54.

The square root of 67879746 is about 8238.9165549846. The cubic root of 67879746 is about 407.9247626549.

The spelling of 67879746 in words is "sixty-seven million, eight hundred seventy-nine thousand, seven hundred forty-six".