67909148 has 12 divisors (see below), whose sum is σ = 119439600. Its totient is φ = 33783552.

The previous prime is 67909141. The next prime is 67909151. The reversal of 67909148 is 84190976.

It is a super-2 number, since 2×67909148² = 9223304764171808, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 67909099 and 67909108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67909141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41861 + ... + 43452.

It is an arithmetic number, because the mean of its divisors is an integer number (9953300).

Almost surely, 2^67909148 is an apocalyptic number.

It is an amenable number.

67909148 is a deficient number, since it is larger than the sum of its proper divisors (51530452).

67909148 is a wasteful number, since it uses less digits than its factorization.

67909148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85516 (or 85514 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 44.

The square root of 67909148 is about 8240.7006983630. The cubic root of 67909148 is about 407.9836514659.

The spelling of 67909148 in words is "sixty-seven million, nine hundred nine thousand, one hundred forty-eight".